JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Biot-savart's Law and Amperes Law

  • question_answer
    Field at the centre of a circular coil of radius r, through which a current I flows is                                 [MP PMT 1993]

    A)            Directly proportional to r

    B)            Inversely proportional to I

    C)            Directly proportional to I

    D)            Directly proportional to \[{{I}^{2}}\]

    Correct Answer: C

    Solution :

               Field at the centre of a circular coil of radius \[r\]is \[B=\frac{{{\mu }_{o}}I}{2r}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner