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

Electronics and Communication Engineering (ECE) : Materials and Components - Quiz(MCQ)

the majority carrier density is doubled

the minority carrier density is doubled

the minority carrier density becomes 4 times the original value

both the majority and minority carrier densities double

Correct Answer : Option (D) : both the majority and minority carrier densities double

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

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None of the above

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A circular sphere mile is the area of cross-section of a wire

having a radius equal to 1 miles

having a circumference equal to 1 miles

having a circumference equal to 0 miles

having a diameter equal to 1 miles

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