{"id":1518,"date":"2019-01-08T09:57:42","date_gmt":"2019-01-08T06:57:42","guid":{"rendered":"http:\/\/ekfe.reth.sch.gr\/wordpress\/?p=813"},"modified":"2019-01-08T09:57:42","modified_gmt":"2019-01-08T06:57:42","slug":"%cf%84%ce%b1-led-%ce%ba%ce%b1%ce%b9-%cf%84%ce%bf-%cf%86%cf%89%cf%84%ce%bf%ce%b7%ce%bb%ce%b5%ce%ba%cf%84%cf%81%ce%b9%ce%ba%cf%8c-%cf%86%ce%b1%ce%b9%ce%bd%cf%8c%ce%bc%ce%b5%ce%bd%ce%bf","status":"publish","type":"post","link":"https:\/\/ekfe.reth.sch.gr\/?p=1518","title":{"rendered":"\u03a4\u03b1 LED \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c6\u03b1\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf."},"content":{"rendered":"\n<p>\u03a4\u03b1 \u03bb\u03b1\u03bc\u03c0\u03ac\u03ba\u03b9\u03b1 LED \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03af\u03bf\u03b4\u03bf\u03b9 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ae\u03c2 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c6\u03b1\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5. \u03a3\u03c4\u03b1 \u03b1\u03c0\u03bb\u03ac \u03ad\u03b3\u03c7\u03c1\u03c9\u03bc\u03b1 \u03c6\u03c9\u03c4\u03ac\u03ba\u03b9\u03b1 LED \u03c4\u03bf \u03c6\u03c9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03bf\u03bd\u03bf\u03c7\u03c1\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf\u03c5 \u03b7\u03bc\u03b9\u03b1\u03b3\u03ce\u03b3\u03b9\u03bc\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03b1\u03c0\u03cc \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf. \u03a3\u03c4\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03b1\u03c5\u03c4\u03cc \u03b8\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03b3\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c6\u03c9\u03c4\u03bf\u03b2\u03bf\u03bb\u03ae\u03c3\u03b5\u03b9. \u03a4\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03bf\u03bc\u03bc\u03ad\u03bd\u03bf \u03ba\u03b1\u03b9 \u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03b1 \u03cd\u03bb\u03b7\u03c2 \u03c4\u03b7\u03c2 \u0392 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c6\u03bf\u03cd \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b2\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03c6\u03cd\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03cc\u03c2.<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u0398\u03b5\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc \u039c\u03ad\u03c1\u03bf\u03c2\n<\/h3>\n\n\n<p>\u03a4\u03b1 LED \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03cd\u03bf \u03b7\u03bc\u03b9\u03b1\u03b3\u03ce\u03b3\u03b9\u03bc\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03b1\u03c0\u03cc \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c4\u03bf \u03ad\u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03cd\u03c0\u03bf\u03c5 p \u03ba\u03b1\u03b9 \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf \u03c4\u03cd\u03c0\u03bf\u03c5 n.  \u0391\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03b5\u03af \u03c3\u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03bf\u03c1\u03b8\u03ae \u03c4\u03ac\u03c3\u03b7 \u03c4\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03b1 \u03c4\u03bf\u03c5 n,  \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03bf\u03c0\u03ad\u03c2  \u03c4\u03bf\u03c5 p \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9. \u0397 \u03b5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03b7 \u03c4\u03ac\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c6\u03c9\u03c4\u03bf\u03b2\u03bf\u03bb\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf LED \u03b9\u03c3\u03bf\u03cd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03b5\u03bd\u03b5\u03c1\u03b3\u03b5\u03b9\u03b1\u03ba\u03cc \u03ba\u03b1\u03c4\u03ce\u03c6\u03bb\u03b9 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c5\u03c0\u03b5\u03c1\u03c0\u03b7\u03b4\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03b1. \u039c\u03b5\u03c4\u03ac  \u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03af\u03c9\u03bd \u03c3\u03c4\u03b9\u03c2 \u03bf\u03c0\u03ad\u03c2 \u03b7 \u03b5\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b5\u03ba\u03c0\u03ad\u03bc\u03c0\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u03c6\u03c9\u03c4\u03bf\u03bd\u03af\u03c9\u03bd (\u0394\u03b5\u03c2 \u03c3\u03c7\u03ae\u03bc\u03b1) . <\/p>\n\n\n<p>\u03a4\u03bf \u03c6\u03b1\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03bc\u03b9\u03b1 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b1 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03bf \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c6\u03b1\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03ad\u03bd\u03b1 \u03ba\u03b1\u03b8\u03b1\u03c1\u03ac \u03ba\u03b2\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c6\u03b1\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7\u03c2 \u03cd\u03bb\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03c9\u03c4\u03cc\u03c2.<\/p>\n\n\n<p> \u0397 \u03b5\u03ba\u03c0\u03b5\u03bc\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03bf\u03bd\u03bf\u03c7\u03c1\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9  \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2  \u03c4\u03b7\u03c2 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b5\u03bd\u03b5\u03c1\u03b3\u03b5\u03b9\u03b1\u03ba\u03ae \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03b7\u03c2 \u03b6\u03ce\u03bd\u03b7\u03c2 \u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c3\u03c4\u03bf \u03c4\u03bc\u03ae\u03bc\u03b1 n \u03bc\u03b5 \u03c4\u03b7 \u03b6\u03ce\u03bd\u03b7 \u03c3\u03b8\u03ad\u03bd\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 p.  \u038c\u03c4\u03b1\u03bd \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c4\u03ac\u03c3\u03b7,  \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03c0\u03bb\u03ae\u03b8\u03bf\u03c2 \u03c4\u03c9\u03bd \u03c6\u03bf\u03c1\u03ad\u03c9\u03bd \u03c4\u03bf\u03c5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ac\u03c1\u03b1 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9  \u03c4\u03bf \u03c0\u03bb\u03ae\u03b8\u03bf\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03cc\u03bc\u03b5\u03bd\u03c9\u03bd \u03c6\u03c9\u03c4\u03bf\u03bd\u03af\u03c9\u03bd, \u03ba\u03b1\u03c4\u03ac \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03ce\u03bd\u03b5\u03b9 \u03b7 \u03c6\u03c9\u03c4\u03bf\u03b2\u03bf\u03bb\u03af\u03b1 \u03c4\u03bf\u03c5 \u03bb\u03b1\u03bc\u03c0\u03c4\u03ae\u03c1\u03b1.  (\u0394\u03b5\u03c2 \u03c3\u03c7\u03ae\u03bc\u03b1)<\/p>\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"782\" height=\"543\" src=\"https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/LED.png\" alt=\"\" class=\"wp-image-815\" srcset=\"https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/LED.png 782w, https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/LED-300x208.png 300w, https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/LED-768x533.png 768w\" sizes=\"auto, (max-width: 782px) 100vw, 782px\" \/><\/figure>\n\n\n<p>\u0397 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03b5\u03bd\u03cc\u03c2 LED \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7 \u03b1\u03bd\u03ac\u03bc\u03b5\u03c3\u03b1 \u03c3\u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03b9 \u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1,  \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03ad\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae. <\/p>\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/VI.png\" alt=\"\" class=\"wp-image-820\" width=\"179\" height=\"171\"\/><figcaption>\u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 LED<\/figcaption><\/figure><\/div>\n\n\n<p>\n\u0397 \u03c4\u03ac\u03c3\u03b7 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2,  \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd \u03c0\u03c1\u03bf\u03b5\u03ba\u03c4\u03b5\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf \u03c4\u03bc\u03ae\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2,  \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03c4\u03bc\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 \u03c4\u03c9\u03bd \u03c4\u03ac\u03c3\u03b5\u03c9\u03bd,  \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. <br \/> \u0393\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2  \u03b1\u03c5\u03c4\u03ae\u03c2, \u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1  \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03ad\u03bd\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03bf,  \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 \u03b5\u03ba\u03b5\u03af\u03bd\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd  \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03b5\u03bd\u03cc\u03c2 \u03c6\u03c9\u03c4\u03bf\u03bd\u03af\u03bf\u03c5. \u0388\u03c4\u03c3\u03b9 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9\n<\/p>\n\n\n<p style=\"text-align:center\">$Latex h\\cdot f = e \\cdot V_{0} $<\/p>\n\n\n<p>\u03cc\u03c0\u03bf\u03c5 h \u03b7 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c4\u03bf\u03c5 \u03a0\u03bb\u03b1\u03bd\u03ba, e \u03c4\u03bf \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03bf \u03c4\u03bf\u03c5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 f  \u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03b3\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5 \u03c6\u03c9\u03c4\u03bf\u03bd\u03af\u03bf\u03c5.  \u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b5 \u03c4\u03b7 \u03b8\u03b5\u03bc\u03b5\u03bb\u03b9\u03ce\u03b4\u03b7 \u03b5\u03be\u03af\u03c3\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03c5\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c6\u03c4\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 :<\/p>\n\n\n<p style=\"text-align:center\">$Latex h \\frac{c}{\\lambda}=e\\cdot V_{0} \\Leftrightarrow \\lambda=\\frac{h\\cdot c}{e\\cdot V_{0}} $    (\u03b5\u03be. 1)<\/p>\n\n\n<p>\u03a3\u03c4\u03bf \u03c0\u03c1\u03bf\u03c4\u03b5\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03b8\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03c4\u03bf\u03c5 LED \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 V<sub>0<\/sub>. <\/p>\n\n\n<h3 class=\"wp-block-heading\">\u03a0\u03b5\u03b9\u03c1\u03b1\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u039c\u03ad\u03c1\u03bf\u03c2\n<\/h3>\n\n\n<p>\u03a3\u03c4\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c5\u03bb\u03b9\u03ba\u03ac:<\/p>\n\n\n<ul class=\"wp-block-list\"><li> LED \u03b4\u03b9\u03b1\u03c6\u03cc\u03c1\u03c9\u03bd \u03c7\u03c1\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd (\u03cc\u03c7\u03b9 \u03bb\u03b5\u03c5\u03ba\u03bf\u03cd) <\/li><li> \u03a4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc <\/li><li> \u039a\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 <\/li><li> \u0394\u03cd\u03bf \u03c0\u03bf\u03bb\u03cd\u03bc\u03b5\u03c4\u03c1\u03b1 <\/li><li> \u03a7\u03b1\u03c1\u03c4\u03af \u03bc\u03b9\u03bb\u03b9\u03bc\u03b5\u03c4\u03c1\u03ad <\/li><li> \u039c\u03bf\u03bb\u03cd\u03b2\u03b9 , \u03c7\u03ac\u03c1\u03b1\u03ba\u03b1\u03c2 <\/li><li> \u039a\u03bf\u03bc\u03c0\u03b9\u03bf\u03c5\u03c4\u03b5\u03c1\u03ac\u03ba\u03b9 <\/li><\/ul>\n\n\n<h4 class=\"wp-block-heading\">\u0391. \u03a3\u03c5\u03bd\u03b1\u03c1\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2<\/h4>\n\n\n<p><strong>\u03a0\u03c1\u03bf\u03c3\u03bf\u03c7\u03ae <\/strong> T\u03b1 LED \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03c0\u03bf\u03bb\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1. \u0391\u03bd \u03c4\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7 \u03c0\u03bf\u03bb\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03cc\u03c4\u03b5 \u03b4\u03b5\u03bd \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc 3V \u03ba\u03b9\u03bd\u03b4\u03c5\u03bd\u03b5\u03cd\u03bf\u03c5\u03bd \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03b1\u03c6\u03bf\u03cd\u03bd.  <\/p>\n\n\n<p>\u03a1\u03c5\u03b8\u03bc\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03bf\u03bb\u03cd\u03bc\u03b5\u03c4\u03c1\u03b1 \u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf \u03ad\u03bd\u03b1 \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ac\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03bf\u03c5 LED \u03ba\u03b1\u03b9 \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf \u03c4\u03b7\u03bd \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03b9 \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c6\u03c9\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1.<\/p>\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"578\" height=\"435\" src=\"https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/syndesiLED.png\" alt=\"\" class=\"wp-image-821\" srcset=\"https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/syndesiLED.png 578w, https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/syndesiLED-300x226.png 300w, https:\/\/ekfe.reth.sch.gr\/wp-content\/uploads\/2018\/12\/syndesiLED-400x300.png 400w\" sizes=\"auto, (max-width: 578px) 100vw, 578px\" \/><\/figure>\n\n\n<p>\u0391\u03c5\u03be\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03b4\u03b5 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1, \u03b1\u03bb\u03bb\u03ac \u03b1\u03c0\u03cc \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae \u03c4\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 (\u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 1,5 -3 V) \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03bb\u03b1\u03bc\u03c0\u03ac\u03ba\u03b9 \u03b1\u03bd\u03ac\u03b2\u03b5\u03b9.    <br \/><\/p>\n\n\n<p> \u03a0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1. \u03a0\u03c1\u03bf\u03c3\u03ad\u03be\u03c4\u03b5 \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03be\u03b5\u03c0\u03b5\u03c1\u03bd\u03ac 40-50mA <\/p>\n\n\n<table class=\"wp-block-table has-fixed-layout is-style-regular\"><tbody><tr><td>\n\t\t\tT\u03ac\u03c3\u03b7(V)\n\t\t<\/td><td>\n\t\t\t\u0388\u03bd\u03c4\u03b1\u03c3\u03b7(A)\n\t\t<\/td><\/tr><tr><td>\n\t\t\t<br \/>\n\t\t<\/td><td>\n\t\t\t<br \/>\n\t\t<\/td><\/tr><tr><td>\n\t\t\t<br \/>\n\t\t<\/td><td>\n\t\t\t<br \/>\n\t\t<\/td><\/tr><tr><td>\n\t\t\t<br \/>\n\t\t<\/td><td>\n\t\t\t<br \/>\n\t\t<\/td><\/tr><tr><td>\n\t\t\t<br \/>\n\t\t<\/td><td>\n\t\t\t<br \/>\n\t\t<\/td><\/tr><tr><td>\n\t\t\t<br \/>\n\t\t<\/td><td>\n\t\t\t<br \/>\n\t\t<\/td><\/tr><\/tbody><\/table>\n\n\n<h4 class=\"wp-block-heading\">\u0392. \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5&nbsp;\u03bc\u03ae\u03ba\u03bf\u03c5\u03c2&nbsp;\u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2&nbsp;\u03c4\u03bf\u03c5&nbsp;LED<\/h4>\n\n\n<p>\u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03c7\u03b9\u03bb\u03b9\u03bf\u03c3\u03c4\u03bf\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03cc \u03c7\u03b1\u03c1\u03c4\u03af \u03c4\u03b7 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 (V-I) \u03c4\u03bf\u03c5 LED . \u03a7\u03b1\u03c1\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c0\u03c1\u03bf\u03c3\u03b5\u03ba\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03c5\u03b8\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03bd\u03ac \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b5\u03b9\u03c1\u03b1\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c3\u03b7\u03bc\u03b5\u03af\u03b1, \u03c3\u03c4\u03bf \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03cc \u03c4\u03bc\u03ae\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2, \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ba\u03b5\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5 V<sub>0<\/sub> \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03c4\u03ad\u03bc\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 \u03c4\u03c9\u03bd \u03c4\u03ac\u03c3\u03b5\u03c9\u03bd.  \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b5\u03be\u03af\u03c3\u03c9\u03c3\u03b7 1, \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9.<\/p>\n\n\n<p>\u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03b5\u03bd\u03b4\u03b5\u03b9\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b5\u03bd\u03cc\u03c2 LED \u03bc\u03c0\u03bb\u03b5 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 <a href=\"https:\/\/drive.google.com\/open?id=1xKQCqWN4v7bVUyVnH0XsqgLGZmu6XQtL\">\u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03bc\u03bf<\/a>. H \u03c4\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b1\u03bc\u03b5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03b9\u03c2 \u03b5\u03ba\u03c0\u03b5\u03bc\u03c0\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 (430-460nm), \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae. <\/p>\n\n\n<h4 class=\"wp-block-heading\">\u03a0\u0391\u03a1\u0391\u03a4\u0397\u03a1\u0397\u03a3\u0395\u0399\u03a3\n<\/h4>\n\n\n<ol class=\"wp-block-list\"><li>\u0395\u03c0\u03b5\u03b9\u03b4\u03ae \u03cc\u03bb\u03b5\u03c2 \u03bf\u03b9 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03cc \u03b5\u03cd\u03c1\u03bf\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 1,5-2V,  \u03bc\u03b9\u03b1 \u03ba\u03b1\u03bb\u03ae \u03b9\u03b4\u03ad\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03c3\u03b5\u03b9\u03c1\u03ac \u03bc\u03b5 \u03c4\u03bf LED \u03bc\u03b9\u03b1 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b1\u03c0\u03cc 100 &#8211; 500\u03a9, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b1\u03c5\u03be\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b5\u03cd\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03bf\u03cd. <\/li><li>\u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03b9 LED \u03c5\u03c0\u03ad\u03c1\u03c5\u03b8\u03c1\u03b7\u03c2 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b1\u03c5\u03c4\u03ac \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03c4\u03b7\u03bb\u03b5\u03ba\u03bf\u03bd\u03c4\u03c1\u03cc\u03bb, \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03cc\u03c1\u03b1\u03c4\u03b7\u03c2 \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b4\u03b5\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03b5\u03ba\u03b5\u03af\u03bd\u03bf \u03c4\u03b7\u03c2 \u03b5\u03c1\u03c5\u03b8\u03c1\u03ae\u03c2. <\/li><li> \u03a4\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03b5\u03af \u03ba\u03b1\u03b9 \u03c3\u03b1\u03bd \u03c0\u03bf\u03b9\u03bf\u03c4\u03b9\u03ba\u03cc \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03b5\u03c0\u03af\u03b4\u03b5\u03b9\u03be\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b5\u03b9\u03c7\u03c4\u03b5\u03af  \u03cc\u03c4\u03b9 \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03c6\u03c9\u03c4\u03bf\u03b2\u03bf\u03bb\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 LED \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c7\u03c1\u03ce\u03bc\u03b1 \u03c4\u03bf\u03c5.   <\/li><\/ol>\n\n\n<h4 class=\"wp-block-heading\">\u0392\u03b9\u03b2\u03bb\u03b9\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1<\/h4>\n\n\n<ol class=\"wp-block-list\"><li> \u201c\u03a3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9\u03c2 \u039f\u03c0\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2\u00bb \u039d\u03af\u03ba\u03bf\u03c2 \u039a\u03bf\u03bd\u03bf\u03c6\u03ac\u03bf\u03c2 <br \/> \u03a0\u03b1\u03bd\u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b9\u03bf \u0391\u03b3\u03b1\u03af\u03bf\u03c5 \u03a3\u03c7\u03bf\u03bb\u03ae \u03b8\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u0395\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03ce\u03bd. \u03a4\u03bc\u03ae\u03bc\u03b1 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03b1\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03b1\u03ba\u03ce\u03bd \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.  <\/li><li> \u03a0\u03b5\u03c1\u03b9\u03bf\u03b4\u03b9\u03ba\u03cc Science in school<br \/> Classroom fundamentals: measuring the Planck constant  <a href=\"https:\/\/www.scienceinschool.org\/el\/2014\/issue28\/planck\">https:\/\/www.scienceinschool.org\/el\/2014\/issue28\/planck<\/a><\/li><li> \u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03ae \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 : \u00ab\u039c\u03b5\u03bb\u03ad\u03c4\u03b7 \u03a6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c6\u03b1\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bc\u03b5 \u03c7\u03c1\u03ae\u03c3\u03b7 LEDs&#8221;  \u0393. \u039c\u03ae\u03c4\u03c3\u03bf\u03c5 TEI  \u0391\u0398\u0397\u039d\u0391\u03a3 \u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u03a6\u03c5\u03c3\u03b9\u03ba\u03ae\u03c2 \u039f\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u2013 \u039f\u03c0\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03b9 Laser <\/li><li> Wikipedia: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Light-emitting_diode\">https:\/\/en.wikipedia.org\/wiki\/Light-emitting_diode <\/a><\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u03a4\u03b1 \u03bb\u03b1\u03bc\u03c0\u03ac\u03ba\u03b9\u03b1 LED \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03af\u03bf\u03b4\u03bf\u03b9 \u03b5\u03ba\u03c0\u03bf\u03bc\u03c0\u03ae\u03c2 \u03c6\u03c9\u03c4\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c6\u03c9\u03c4\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c6\u03b1\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5. \u03a3\u03c4\u03b1 \u03b1\u03c0\u03bb\u03ac \u03ad\u03b3\u03c7\u03c1\u03c9\u03bc\u03b1 \u03c6\u03c9\u03c4\u03ac\u03ba\u03b9\u03b1 LED \u03c4\u03bf \u03c6\u03c9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03bf\u03bd\u03bf\u03c7\u03c1\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf\u03c5 \u03b7\u03bc\u03b9\u03b1\u03b3\u03ce\u03b3\u03b9\u03bc\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03b1\u03c0\u03cc \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf. \u03a3\u03c4\u03bf \u03c0\u03b5\u03af\u03c1\u03b1\u03bc\u03b1 \u03b1\u03c5\u03c4\u03cc \u03b8\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 <a class=\"more-link\" href=\"https:\/\/ekfe.reth.sch.gr\/?p=1518\">\u03a0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 &#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":814,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,13,45,17],"tags":[],"class_list":["post-1518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blyk","category-experiments","category-modphysics","category-physics"],"_links":{"self":[{"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=\/wp\/v2\/posts\/1518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1518"}],"version-history":[{"count":0,"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=\/wp\/v2\/posts\/1518\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=\/wp\/v2\/media\/814"}],"wp:attachment":[{"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ekfe.reth.sch.gr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}