12th Class Physics Electric Charges and Fields Question Bank Assertion And Reason (MCQs) - Electric Charges and Fields

  • question_answer
     
    ASSERTION: A metallic shield in the form of a hollow shell may be built to block an electric field.
    REASON: In a hollow spherical shield, the electric field inside it is zero at every point.

    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: A

    Solution :

    In a hollow spherical shield, the charge is present only on its surface but charge is zero at every point inside the hollow sphere. Hence, the metallic shield in form of hollow shell may be built to block an electric field.


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