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Materials and Components

Q1:

If the temperature of an extrinsic semiconductor is increased so that the intrinsic carrier concentration is doubled, then

A the majority carrier density is doubled

B the minority carrier density is doubled

C the minority carrier density becomes 4 times the original value

D both the majority and minority carrier densities double

ANS:D - both the majority and minority carrier densities double

As the intrinsic carrier concentration is doubled, the concentration of both electrons and holes is doubled.



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