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Electromagnetic...

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  • Question 1
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    Ohm's law is not obeyed by

  • Question 2
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    The instrument for the accurate measurement of the e.m.f. of a cell is

  • Question 3
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    Eddy currents are produced in

  • Question 4
    1 / -0

    The working of a dynamo is based on the principle of

  • Question 5
    1 / -0

    In lenz's law, there is conservation of

  • Question 6
    1 / -0

    Two ends of a horizontal conducting rod of length l are joined to a voltmeter. The whole arrangement moves with a horizontal velocity v, the direction of motion being perpendicular to the rod. Vertical component of the earth's magnetic field is B. The voltmeter reads

  • Question 7
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    A horizontal ring of radius r spins about it's axis with an angular velocity ω in a uniform magnetic field of magnitude B. Emf induced in the ring is

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