JEE Main & Advanced Sample Paper JEE Main Sample Paper-4

  • question_answer
    A plastic rod is moving on two conducting rails placed in an uniform magnetic field as shown in figure. For this situation

    A)  P will be at higher potential

    B)  the velocity of rod will decrease with time

    C)  No current flow in rod PQ

    D)  current in rod is from Q to P

    Correct Answer: C

    Solution :

    As the rod is of plastic no emf will develop across the rod and hence no current through it.

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