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When light shines on a p-n junction diod...

When light shines on a p-n junction diode, the current (I) vs, voltage (V) is observed as in the figure below :

In which quadrant(s) does the diode generate power, so that it can be used as a solar cell ?

A

Quad 1 only

B

Quad 1 and 3 only

C

Quad 4 only

D

Quad 1 and 4 only

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The correct Answer is:
C
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