12th Class Physics Electrostatics & Capacitance Question Bank Assertion And Reason (MCQs) - Electric Potential and Capacitance

  • question_answer
    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) If both assertion and reason are true and reason is the correct explanation of assertion.

    B) If both assertion and reason are true and reason is not the correct explanation of assertion.

    C) If assertion is true but reason is false.

    D) If both assertion and reason are false.

    E) If assertion is false but reason is true.

    Correct Answer: C

    Solution :

    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.


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