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Magnetism Test ...

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  • Question 1
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    A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is

  • Question 2
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    A steel wire of length 'l' has a magnetic moment M. It is bent into a semicircular arc. The new magnetic moment is

  • Question 3
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    Directions For Questions

    From the statements of Assertion and Reason mark the correct answer from the options.

    (a) If both assertion and reason are true, and reason is the correct explanation of assertion.
    (b) If both assertion and reason are true, but 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.

    ...view full instructions

    Assertion: Diamagnetic materials can exhibit magnetism.
    Reason: Diamagnetic materials have permanent magnetic dipole moment.

  • Question 4
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    Directions For Questions

    In the following question, a statement of Assertion is given, followed by a corresponding statement of Reason. Of the statements, mark the correct answer as:

    (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 the assertion.
    (c) If assertion is true but reason is false.
    (d) If both assertion and reason are false.

    ...view full instructions

    Assertion: The true geographic north direction is found by using a compass needle.
    Reason: The magnetic meridian of the earth is along the axis of its rotation.

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