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Magnetism and M...

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  • Question 1
    4 / -1

    The incorrect statement regarding the lines of force of the magnetic field B is

  • Question 2
    4 / -1

    A straight wire carrying current i is turned into a circular loop. If the magnitude of magnetic moment associated with it in M.K.S. unit is M, the length of wire will be

  • Question 3
    4 / -1

    For protecting a sensitive equipment from the external magnetic field, it should be

  • Question 4
    4 / -1

    If a piece of metal was thought to be magnet, which one of the following observations would offer conclusive evidence

  • Question 5
    4 / -1

    The magnet can be completely demagnetized by

  • Question 6
    4 / -1

    A current loop placed in a magnetic field behaves like a

  • Question 7
    4 / -1

    A magnet when placed perpendicular to a uniform field of strength 10–4 Wb/m2 experiences a maximum couple of moment 4 × 10–5 N/m. What is its magnetic moment

  • Question 8
    4 / -1

    Weber/m2 is equal to

  • Question 9
    4 / -1

    Two magnets, each of magnetic moment ‘M’ are placed so as to form a cross at right angles to each other. The magnetic moment of the system will be

  • Question 10
    4 / -1

    Two like magnetic poles of strength 10 and 40 SI units are separated by a distance 30 cm. The intensity of magnetic field is zero on the line joining them

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