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Moving Charges and Magnetism Test - 42

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Moving Charges and Magnetism Test - 42
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  • Question 1
    4 / -1
    A man carrying suitable instruments for measuring electric and magnetic field passes by a stationary electron with velocity V. Then these instruments will note
  • Question 2
    4 / -1
    An electron rotates about a proton, the induced magnetic field is 14 Tat the centre, find out the angular velocity of electron if radius of rotation is 0.5 nm
    Solution

  • Question 3
    4 / -1
    The force on a charged particle moving with a velocity v in a magnetic field B is not
    Solution

  • Question 4
    4 / -1
    A charged particle enters a uniform magnetic field with a certain speed at right angles to it. In the magnetic field a change could occur in its
  • Question 5
    4 / -1

    Solution

  • Question 6
    4 / -1
    A uniform magnetic field B = 1.2 mT is directed vertically upward throughout the volume of a laboratory chamber. A proton (mp = 1.67 × 10–27 kg) enters the laboratory horizontally from south to north. Calculate the magnitude of centripetal acceleration of the proton if its speed is 3 × 107 m/s
    Solution

  • Question 7
    4 / -1
    A positive charge is moving towards an observer. The direction of magnetic induction is
  • Question 8
    4 / -1
    Proton, Deutron and alpha particle of same kinetic energy are moving in circular trajectories in a constant magnetic field. The radii of proton, deuteron and alpha particle are respectively rp, rd and rα. Which one of the follwoing relation is correct
    Solution

  • Question 9
    4 / -1
    The magnetic dipole moment of a current loop is independent of
  • Question 10
    4 / -1

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