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JEE Main & Advanced Physics Electro Magnetic Induction Question Bank Application of EMI (Motor, Dynamo, Transformer)

  • question_answer
    In a dc motor, induced e.m.f. will be maximum [RPMT 1997]

    A)            When motor takes maximum speed

    B)            When motor starts rotating

    C)            When speed of motor increases

    D)            When motor is switched off

    Correct Answer: A

    Solution :

               Back \[emf\propto speed\ of\ motor.\]


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