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JEE Main & Advanced Physics Electro Magnetic Induction Question Bank Static EMI

  • question_answer
    A coil and a bulb are connected in series with a dc source, a soft iron core is then inserted in the coil. Then [MP PMT 1990; RPET 2001]

    A)            Intensity of the bulb remains the same

    B)            Intensity of the bulb decreases

    C)            Intensity of the bulb increases

    D)            The bulb ceases to glow

    Correct Answer: B

    Solution :

               There will be self induction effect when soft iron core is inserted. 


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