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

  • question_answer
    What is the self-inductance of a coil which produces 5V when the current changes from 3 ampere to 2 ampere in one millisecond?

    A) 5000 henry

    B) 5 milli-henry

    C) 50 henry

    D) 5 henry

    Correct Answer: B

    Solution :

    [b] \[L=\frac{e}{\frac{di}{dt}}=\frac{edt}{di}=\frac{5\times {{10}^{-3}}}{(3-2)}H=5mH\]


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