why dielectric constant of an insulator is>1

Asked by  | 26th Feb, 2008, 12:14: PM

Expert Answer:

Why dielectric constant of an insulator is>1

K is the ratio of E_o/E.

where E_o is the electric field in the region in the absence of a medium

E is the electric field in the region in the presence of a medium.

Since  E_o is > E, K is always >1 

Answered by  | 7th Dec, 2017, 05:33: PM

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