Question

Assertion :If a dielectric is placed in external field then field inside dielectric will be less than applied field. Reason: Electric field will induce dipole moment opposite to field direction.

• A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
• B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
• C. Assertion is correct but Reason is incorrect
• D. Both Assertion and Reason are incorrect

Answer 1

Answer: (C)

The correct option is C Assertion is correct but Reason is incorrect
Dipole moment will be in the same direction as the external field. The collective effect of dipole moments produces a field that opposes the external field and hence, the net electric field inside the dielectric is less than the external electric field.