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

  • question_answer
    A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v perpendicular to one of its sides. A magnetic induction B constant in time and space, pointing perpendicular and into the plane of the loop exists everywhere. The current induced in the loop is  [IIT 1989; MP PET 1997; MP PMT 1996, 99; MP PMT 2002]

    A)            \[\frac{Blv}{R}\]clockwise      

    B)            \[\frac{Blv}{R}\]anticlockwise

    C)            \[\frac{2Blv}{R}\]anticlockwise                                        

    D)            Zero

    Correct Answer: D

    Solution :

               No flux change is taking place because magnetic field exists everywhere and is constant in time and space.


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