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CBSE Class 12-science Answered

WHAT IS DI- ELECTRIC CONSTANT?
Asked by Shrivatsa | 17 Sep, 2018, 03:07: PM
answered-by-expert Expert Answer

A metal is not a good dielectric. A vacuum is a decent dielectric. There are much better dielectrics than a vacuum. A high dielectric constant, k, means the material exhibits good dielectric behaviour. A vacuum has k = 1, better dielectrics have k > 1

The permittivity of a metal is negative. (for a perfect conductor it is -Inf)

Answered by | 17 Sep, 2018, 06:03: PM
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