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NEET Sample Paper NEET Sample Test Paper-89

  • question_answer
    If the number of turns per unit length of a coil of a solenoid is doubled, the self-inductance of the solenoid will

    A) remain unchanged

    B) be halved

    C) be doubled

    D) become four times

    Correct Answer: D

    Solution :

    [d] L \[\alpha \] \[{{n}^{2}},\] where n is number of turn per unit length.


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