1.

In a PN junction photo cell, the value of photo-electromotive force produced by monochromatic light is proportional to [CBSE PMT 2004]

A. The voltage applied at the PN junction
B. The barrier voltage at the PN junction
C. The intensity of the light falling on the cell
D. The frequency of the light falling on the cell
Answer» D. The frequency of the light falling on the cell


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