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NEET Sample Paper NEET Sample Test Paper-81

  • question_answer
    The variation of induced emf with time in a coil, if a short magnet is moved along its axis with a constant velocity (as shown in figure) is best represented by

    A)  

    B)  

    C)           

    D)  

    Correct Answer: D

    Solution :

    As, \[{{E}_{induced}}=-\frac{d\phi }{dt}\] Flux will increases due to which \[{{E}_{induced}}\] negative after which for sometime flux will decrease and \[{{E}_{induced}}\] will be positive and graph will be symmetrical.


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