Discussion :: Materials and Components
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For a photoconductor with equal electron and hole mobilities and perfect ohmic contacts at the ends, an increase in intensity of optical illumination results in
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A.
a change in o.c voltage
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B.
a change in s.c current
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C.
decrease in resistance
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D.
increase in resistance
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Answer : Option C
Explanation :
It is the characteristic of a photoconductor that its resistance decreases with increase in illumination.
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