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Electrostatic Potential And Capacitance

Question

On inserting a dielectric between the plates of a capacitor, its capacitance is found to increase 5 times. What is the relative permittivity of the dielectric?

Solution

Given, capacitance increases by a factor of 5 on inserting a delectric between the plates of a capacitor.
Relative permittivity of the dielectric is given by.

ε_{r} = k = \frac{C}{C_{0}} = 5

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Electrostatic Potential And Capacitance

On inserting a dielectric between the plates of a capacitor, its capacitance is found to increase 5 times. What is the relative permittivity of the dielectric?

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