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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
    An electron enters a magnetic field whose direction is perpendicular to the velocity of the electron. Then [MP PMT 1996; CBSE PMT 2003]

    A)            The speed of the electron will increase

    B)            The speed of the electron will decrease

    C)            The speed of the electron will remain the same

    D)            The velocity of the electron will remain the same

    Correct Answer: C

    Solution :

               Force acts perpendicular to the velocity in a magnetic field, so speed of electron will remain same.


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