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

  • question_answer
    A one metre long wire is lying at right angles to the magnetic field. A force of 1 kg wt. is acting on it in a magnetic field of 0.98 Tesla. The current flowing in it will be [J & K CET 2004]

    A)            100 A                                       

    B)            10 A

    C)            1 A

    D)            Zero

    Correct Answer: B

    Solution :

               \[F=Bil\Rightarrow 1\times 9.8=0.98\times i\times 1\]\[\Rightarrow i=10A\]


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