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

  • question_answer
    The adjoining figure shows two bulbs B1 and B2 resistor R and an inductor L. When the switch S is turned off  [CPMT 1989]

    A)            Both B1 and B2 die out promptly

    B)            Both B1 and B2 die out with some delay

    C)            B1 dies out promptly but B2 with some delay

    D)            B2 dies out promptly but B1 with some delay

    Correct Answer: C

    Solution :

               Current in \[{{B}_{1}}\] will promptly become zero while current in \[{{B}_{2}}\]will slowly tend to zero.


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