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Electromagnetic...

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  • Question 1
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    When a wire loop is rotated in a magnetic field, the direction of induced e.m.f. changes once in each

  • Question 2
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    A two-metre wire is moving with a velocity of 1 m/sec perpendicular to a magnetic field of 0.5 weber/m2. The e.m.f. induced in it will be

  • Question 3
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    Assertion: Eddy currents is produced in any metallic conductor when magnetic flux is changed around it.

    Reason: Electric potential determines the flow of charge

  • Question 4
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    In a dc motor, induced e.m.f. will be maximum

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