NEET Sample Paper NEET Sample Test Paper-50

  • question_answer 42) A current \[I\,\,=\,\,10\text{ }sin\,\,(100\pi \,t)\] amp. is passed in first coil, which induces a maximum e.m.f of 57i volt in second coil. The mutual inductance between the coils is-

    A) 5 mH               

    B) 10 mH

    C) 15 mH             

    D) 20 mH

    Correct Answer: A

    Solution :

    \[{{e}_{0}}\,\,=\,\,M{{I}_{0}}\omega \] \[M=\frac{{{e}_{0}}}{{{I}_{0}}\omega }\]

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