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The energy gap between conduction band a...

The energy gap between conduction band and the valence band is of the order of 0.7 eV. Then it is

A

A)an insulator

B

B)a conductor

C

C)a semiconductor

D

D)an alloy

Text Solution

Verified by Experts

The correct Answer is:
C
It is a semiconductor,
For Ge, `DeltaE_(g)=0.72eV`
For Si, `DeltaE_(g)=1.1eV`
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