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  3. J & K CET Engineering

J & K CET Engineering J and K - CET Engineering Solved Paper-2009

  • question_answer
    Whenever there is a relative motion between a coil and a magnet, the magnitude of induced emf set up in the coil does not depend upon the

    A)  relative speed between the coil and magnet

    B)  magnetic moment of the coil

    C)  resistance of the coil

    D)  number of turns in the coil

    Correct Answer: C

    Solution :

    Induced emf depends on the total flux x current per second, ie, on the strength of the magnet, speed of the magnet, number of turns of the coil and area of cross-section of the coil. Only the current is decided by the emf and the resistance.                   - \[\therefore \] emf is independent of the resistance of the coil.            


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