JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Force and Torque on a Current Carrying Conductor

  • question_answer
    The current sensitivity of a moving coil galvanometer can be increased by                                            [Roorkee 1999]

    A)            Increasing the magnetic field of the permanent magnet   

    B)            Increasing the area of the deflecting coil

    C)            Increasing the number of turns in the coil

    D)            Increasing the restoring couple of the coil

    Correct Answer: B

    Solution :

     Sensitivity \[\frac{\theta }{i}=\frac{NAB}{C}\]


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