JEE Main & Advanced Physics Magnetism Question Bank Assertion and Reason

  • question_answer
    Assertion             :       To protect any instrument from external magnetic field, it is put inside an iron body. Reason                 :       Iron is a magnetic substance.

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

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

    C)             If assertion is true but reason is false.

    D)             If the assertion and reason both are false.

    E)             If assertion is false but reason is true.

    Correct Answer: A

    Solution :

                Since iron is ferromagnetic in nature, therefore, lines of force due to external magnetic field prefer to pass through iron.


You need to login to perform this action.
You will be redirected in 3 sec spinner