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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 straight wire of length 0.5 metre and carrying a current of 1.2 ampere placed in a uniform magnetic field of induction 2 Tesla. The magnetic field is perpendicular to the length of the wire. The force on the wire is            [CBSE PMT 1992; BHU 1998; DPMT 2001; RPET 2003]

    A)            2.4 N                                        

    B)            1.2 N

    C)            3.0 N                                        

    D)            2.0 N

    Correct Answer: B

    Solution :

               \[F=Bil=2\times 1.2\times 0.5=1.2N\]


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