First slide

Classification of semi-conductors

Question

In p-type semiconductor, conduction is due to

Easy

A

greater number of holes and less number of electrons
B

only holes
C

only electrons
D

greater number of electrons and less number of holes

Solution

In p-type semiconductors trivalent impurity is used, as a result number of holes is more than number of holes. Holes behave as positive charge carriers and electrons are negative charge carriers.

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