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JEE Main & Advanced Physics Electro Magnetic Induction Question Bank Self Evaluation Test - Electromagnetic Induction

  • question_answer
    A wire is bent to form the double loop shown in Fig. There is a uniform magnetic field directed into the plane of the loop. If the magnitude of this field is decreasing, the current will flow from

    A) a to b and c to d

    B) b to a and d to c 

    C) a to b and d to c 

    D) b to a and c to d 

    Correct Answer: C

    Solution :

    [c] By Lenz's law, clockwise current is induced in both loops. Greater the area, large will be the induced emf. Outer loop has greater area.


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