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Magnetism and M...

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  • Question 1
    4 / -1

    The magnetic force required to demagnetise the material is

  • Question 2
    4 / -1

    Susceptibility of ferromagnetic substance is

  • Question 3
    4 / -1

    Permanent magnet has properties retentivity and coercivity respectively

  • Question 4
    4 / -1

    Curie-Weiss law is obeyed by iron

  • Question 5
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    The angle between the true geographic North and the North shown by a compass needle is called as

  • Question 6
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    The angle between magnetic meridian and geographical meridian is known as

  • Question 7
    4 / -1

    Tangent galvanometer measures

  • Question 8
    4 / -1

    The time period of a freely suspended bar magnet in a field is 2s. It is cut into two equal parts along its axis, then the time period is

  • Question 9
    4 / -1

    A straight strip has magnetic moment M. If bent as a semicircle, the magnetic moment of the strip will be

  • Question 10
    4 / -1

    Rate of change of torque τ with deflection θ is maximum for a magnet suspended freely in a uniform magnetic field of induction B, when

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