Home
Class 12
PHYSICS
Assertion : In the absence of an externa...

Assertion : In the absence of an external electrical field, the dipole moment per unit volume of a polar dielectric is zero.
Reason : The dipoles of a polar dielectric are randomly oriented.

A

If both Assertion and Reason are true and the Reason is the correct explanation of Assertion

B

If both Assertion and Reason are true but the Reason is not the correct explanation of Assertion

C

If Assertion is true but Reason is false

D

If both both Assertion and Reason are false

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

In a uniform electric field barE an electric dipole moment barP experience

Assertion : In a uniform electric field, the net charge within a volume of any size is zero. Reason : The electric flux within any closed surface in a region of uniform electric field is zero.

What is the angle between electric di-pole moment and intensity of electric field due to the dipole at its equatorial point?

The direction of electric field intensity at a point on the equatorial line of an electric dipole of dipole moment is

Assertion: There is no current in the metals in the absence of electric field Reason: Motion of free electrons is random

In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : The dipole moment in case of BeF_2 is zero. Reason : The two equal bond dipoles point in opposite directions and cancel the effect of each other.

An electric dipole is palced in an external elec tric field. Obtain an expression for the potential energy of the dipole.