The specially designed semiconductor diodes used as indicator lamps in electronic circuits are:
Correct answer: C. Solar cells
- A. Light emitting diodes
- B. Photo diodes
- C. Solar cells
- D. hoto voltaic cells
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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