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JEE Main & Advanced Physics Electro Magnetic Induction Question Bank Motional EMI

  • question_answer
    The magnetic induction in the region between the pole faces of an electromagnet is 0.7 weber/m2. The induced e.m.f. in a straight conductor 10 cm long, perpendicular to B and moving perpendicular both to magnetic induction and its own length with a velocity    2 m/sec is      [AMU (Med.) 1999]

    A)            0.08 V                                      

    B)            0.14 V

    C)            0.35 V                                      

    D)            0.07 V

    Correct Answer: B

    Solution :

               \[e=Bvl\Rightarrow e=0.7\times 2\times (10\times {{10}^{-2}})=0.14\ V\]


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