Question

what is dielectric constant?

Answer 1

Hay friend!

Dielectric constant is a quantity used for measuring the ability of a substance to store electrical energy in an electric field.

Hope it helps you!

Answer 2

dielectric constant is an measuring quantity to measure the ability of a substance to store electric energy in electric field.
it is the ratio of capacitance of capacitor with the given material as dielectric,to the capacitance of the same capacitor with vacuum as di electric.