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Questions  

What is the induced dipole moment developed per unit volume of a dielectric when placed in an external electric field called?

a
Relative permittivity
b
Polarisation susceptibility
c
Electric susceptibility
d
Polarisation density

detailed solution

Correct option is D

The induced dipole moment developed per unit volume of a dielectric when placed in an external electric field is called polarization density. It may be defined as the charge induced per unit surface area.

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