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Question

Define the term
dielectric constant. Give its S.I.unit.

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Solution

Dielectric constant is a dimentionless quantity which defines the ratio of the permitivity of a substance to the permitivity of free space. It is an expression of the extent to which a material concentrates electric flux.

k=εε0
Here,
k- Dielectric constant
ε- permitivity of a substance
ε0- permitivity of free space


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