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JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Motion of Charged Particle In Magnetic Field

  • question_answer
    A very long straight wire carries a current \[I\]. At the instant when a charge \[+Q\] at point \[P\] has velocity \[\overrightarrow{V}\], as shown, the force on the charge is                                      [CBSE PMT 2005]

    A)            Opposite to OX                   

    B)            Along OX

    C)            Opposite to OY                   

    D)            Along OY

    Correct Answer: D

    Solution :

               Magnetic field produced by wire at the location of charge is perpendicular to the paper inwards. Hence by applying Fleming's left hand rule, force is directed along OY.


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