Home
Class 12
CHEMISTRY
The electrical conductivity of semicondu...

The electrical conductivity of semiconductor is

A

`10^(8)ohm^(-1)cm^(1)`

B

`10^(-22)ohm^(-1)cm^(1)`

C

In the range of `10^(-9)` to `10^(4) ohm^(-1)cm^(-1)`

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Electrical conductivity of semiconductors lies in the range `10^(-9) -10^(2) ohm^(-1) cm^(-1)`.
Promotional Banner

Similar Questions

Explore conceptually related problems

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. The band gap (in eV) for semi-conductor is

Assertion (A) : The electrical conductivity of a semiconductor increases with increase in temperature. Reason (R ) : With increase in temperature, large number of electrons from the valence band can jump to the conduction band.

When the conductivity of a semiconductor is only due to breaking of covalent bonds, the semiconductor is called

The conductivity of semiconductor increases with increase in temperature because

The number densities of electrons and holes in an extrinsic semiconductor are 8 xx 10^13 cm^-3 and 5 xx 10^12cm^-3 respectively and their respective mobilities are : 23 xx 10^3cm^2//Vs and 10^2cm^2//Vs . The conductivity of the semiconductor is

The conductivity of intrinsic semiconductor at absolute zero is :

The correct statement variation of the conductivity of semiconductors like Ge and Si is given by