Q. 14.2( 26 Votes )

State the SI unit

Answer :

A Dielectric develops a net dipole moment in the presence of an external field whether it is polar or non-polar. The dipole moment per unit volume is called Polarization and is denoted by P. For


linear isotropic dielectrics,


P =XeE


where Xe is a constant characteristic of the dielectric and is known as the electric susceptibility of the dielectric medium so the SI unit of the electric polarization vector P is coulombs per square meter (Cm-2).


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