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JEE Main & Advanced Physics Electro Magnetic Induction Question Bank Graphical Questions

  • question_answer
    The variation of induced emf (E) with time (t) in a coil if a short bar magnet is moved along its axis with a constant velocity is best represented as             [IIT-JEE (Screening) 2004]

    A)                                 

    B)                        

    C)                                  

    D)

    Correct Answer: B

    Solution :

               As the magnet moves towards the coil, the magnetic flux increases (nonlinearly). Also there is a change in polarity of induced emf when the magnet passes on to the other side of the coil.


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