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NEET Sample Paper NEET Sample Test Paper-58

  • question_answer
    The effect due to uniform magnetic field on a freely suspended magnetic needle is as follows:

    A) Both torque and net force are present

    B) Torque is present but no net force

    C) Both torque and net force are absent

    D) Net force is present but not torque

    Correct Answer: B

    Solution :

    [b] In uniform magnetic field, net force equal to zero but net torque acted. \[F=0,\tau \ne 0\] In a non-uniform magnetic field \[F\ne 0,\tau \ne 0\]


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