The potential gradient at which the dielectri | vedclass

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(B) The maximum electric field intensity that a dielectric material can withstand without breaking down (i.e.,becoming conducting) is known as its die

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Dielectric strength

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(B) The maximum electric field intensity that a dielectric material can withstand without breaking down (i.e.,becoming conducting) is known as its dielectric strength.Since the electric field $E$ is defined as the potential gradient,$E = -\frac{dV}{dr}$.When the potential gradient reaches a critical value,the dielectric material undergoes electrical breakdown,which is referred to as the dielectric strength of the material.

The potential gradient at which the dielectric of a condenser just gets punctured is called

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