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Electromagnetic Induction Test - 9

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Electromagnetic Induction Test - 9
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    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

    Solution

    Induced EMF is zero because flux linked with it remains constant.

  • 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

    Solution

    Induced EMF is zero because flux linked with it remains constant.

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