Question

When an impurity is doped into an intrinsic semiconductor, the conductivity of the semiconductor
(a) increases
(b) decreases
(c) remains the same
(d) become zero.

Answer 1

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Remains the same

Answer 2

Answer:

When an impurity is doped into an intrinsic semiconductor, the conductivity of the semiconductor increases.

Explanation:

The conductivity of semiconductor will increase because the impurity atom added will increase the number of freee electrons which will increase the conductivity.

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