1. Menene LED, LCD? LED yana tsaye don Haske-Emitting Diode, na'urar semiconductor da aka yi daga mahadi masu ɗauke da abubuwa kamar Gallium (Ga), Arsenic (As), Phosphorus (P), da Nitrogen (N). Lokacin da electrons suka sake haɗuwa tare da ramuka, suna fitar da haske mai gani, yana sa LEDs suna da tasiri sosai wajen canza ele ...
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