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A semiconducting device is connected in ...

A semiconducting device is connected in a series circuit with a battery and a resistance.A current is found to pass through the circuit .If the polarity of the battery is reversed, the current drops to almost zero.The device may be

A

an intrinsic semiconductor

B

n type semiconductor

C

p type semiconductor

D

a p-njunction

Text Solution

Verified by Experts

The correct Answer is:
D
The p-n junction is reversed biased in the second case.
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