EFFECT OF DIELECTRIC ON CAPACITANCE

DropDown Activity

Capacitance of a parallel plate capacitor is modified when a dielectric is present

ε = ε0 K

K is a characteristic of the dielectric.

ε0 is called the permittivity of the vacuum, For vacuum the value of K is

The dielectric constant of a substance is the factor which is

The dielectric constant of metals is

C = C0 K

Capacitance from its vacuum value, when the dielectric is inserted fully between the plates of a capacitor

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