What is relative permittivity ?

Correct the following statements if required changing the underlined portion. Dielectric constant is same as relative permittivity.

Fill in the blanks space with appropriate answers : For a parallel plate capacitor the capacity varies.....as the relative permittivity of the dielectric medium between the plates.

The relative permittivity (epsilon_r) of a dielectric is given by

State wheteher the following statements are True (T) or False (F): The relative permittivity of a dielectric medium is same as its dielectric constant.