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di electic constant derivation

di electic constant derivation

Grade:12

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

The dielectric constant is a characteristic quantity of a given dielectric substance, sometimes called the relative permittivity \. In general, the dielectric constant is a complex constant, with the real part giving reflective surface properties  and the imaginary part giving the radio absorption coefficient .

In CGS

(1)

where is the electric susceptibilty. In MKS

(2)

where is the electric permittivity and is the permittivity of free space.

The corresponding quantity for magnetism is called the relative permeability .

 

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Sagar Singh

B.Tech IIT Delhi

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