Materials and Components

Q1: 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

A a change in o.c voltage

B a change in s.c current

C decrease in resistance

D increase in resistance

ANS:C - decrease in resistance

It is the characteristic of a photoconductor that its resistance decreases with increase in illumination.



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