RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    If a bar magnet is droping through the copper ring, then its velocity

    A)  decreases        

    B)  increases

    C)  remain unaffected        

    D)  None of these

    Correct Answer: A

    Solution :

    If a bar magnet is dropping through the copper ring than due to change in magnetic flux an induced current is produced in it, which opposes the motion of the magnet. Therefore, velocity of the magnet decreases.


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