Question

In a pure semiconductor crystal, if current flows due to breakage of crystal bonds, then what is the semiconductor is called?

(a) Acceptor

(b) Donor

(c) Intrinsic semiconductor

(d) Extrinsic semiconductor

The question was posed to me in quiz.

Asked question is from Extrinsic Semiconductor in chapter Semiconductor Electronics : Materials, Devices and Simple Circuits of Physics – Class 12

Answer 1

Correct choice is (c) Intrinsic semiconductor

To elaborate: Pure semiconductors are called intrinsic semiconductors. The number of electrons in the conduction band will be equal to the number of holes in the valence band. Intrinsic semiconductors are also called undoped and i-type semiconductors.