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

to 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:

B

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