Uttarakhand PMT Uttarakhand PMT Solved Paper-2005

  • question_answer
    If a long hollow copper pipe carries a current then the produced magnetic field will be:

    A)  both inside and outside the pipe

    B)  neither inside and nor outside pipe

    C)  inside the pipe only

    D)  outside the pipe only

    Correct Answer: D

    Solution :

     If the current flows on the surface of a long hollow copper pipe. Then the magnetic field inside is zero. Hence, there shall be magnetic field produced outside the pipe.


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