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Moving Charges and Magnetism Test - 48
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Moving Charges and Magnetism Test - 48

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  • Question 1/10
    4 / -1
    A, B and C are parallel conductors of equal length carrying currents I, I and 2I respectively. Distance between A and B is x. Distance between B and C is also x. F1 is the force exerted by B on A and F2 is the force exerted by C on A. Choose the correct answer

    Solutions

  • Question 2/10
    4 / -1
    A straight conductor carries a current of 5 A. An electron travelling with a speed of 5 × 106 ms–1 parallel to the wire at a distance of 0.1 m from the conductor, experience a force of
    Solutions

  • Question 3/10
    4 / -1
    Two galvanometers A and B require 3 mA and 5 mA respectively to produce the same deflection of 10 divisions. Then
    Solutions

  • Question 4/10
    4 / -1
    A beam of electrons and protons move parallel to each other in the same direction, then they
  • Question 5/10
    4 / -1
    If the current is doubled, the deflection is also doubled in
    Solutions

  • Question 6/10
    4 / -1
    Two long conductors, separated by a distance d carry current I1 and I2 in the same direction. They exert a force F on each other. Now the current in one of them is increased to two times and its directions is reversed. The distance is also increased to 3d. The new value of the force between them is
    Solutions

  • Question 7/10
    4 / -1
    The resultant magnetic moment of neon atom will be
  • Question 8/10
    4 / -1
    A one metre long wire is lying at right angles to the magnetic field. A force of 1 kg wt. is acting on it in a magnetic field of 0.98 tesla. The current flowing in it will be
    Solutions

  • Question 9/10
    4 / -1
    The magnetic field on the axis of a long solenoid having n turns per unit length and carrying a current is
    Solutions

  • Question 10/10
    4 / -1
    The ratio of magnetic field and magnetic moment at the centre of a current carrying circular loop is x. When both the current and radius is doubled then the ratio will be
    Solutions

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