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In a p-n junction photo cell, the value ...

In a `p-n` junction photo cell, the value of the photo electromotive force produced by monochromatic light is proportional to

A

the barrier voltage at the P-N junction

B

the intensity of the light falling on the cell

C

the frequency of the light falling on the cell

D

the voltage applied at the P-N junction

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The correct Answer is:
A
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