Question

P-N junction diode is used as_
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Answer 1

Answer:

It is used as a Solar cell.

Explanation:

P-N junction forward bias condition is used in all LED lighting applications. The voltage across the P-N junction biased is used to create Temperature Sensors, and Reference voltages. It is used in many circuits' rectifiers, varactors for voltage-controlled oscillators

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Answer 2

Answer:

${\overbrace{\underbrace{\blue{Solar-Cell}}}}$