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KVPY Sample Paper KVPY Stream-SX Model Paper-24

  • question_answer
    A solid metal cube of edge length 2 cm is moving in positive direction at a constant speed There is a uniform magnetic field of positive z-direction. The potential difference  the two faces of the cube perpendicular to  is:

    A) 12 mV

    B) 6 mV

    C) 1 mV

    D) 2 mV

    Correct Answer: A

    Solution :

    \[E=vB\] \[v=Ed=dvB.\]


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