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NEET Sample Paper NEET Sample Test Paper-6

  • question_answer
    A charged particle is released from rest in a region of steady and a uniform electric and magnetic fields which are parallel to each other. The particle will move in a:

    A)  straight line                

    B)  circle

    C)  helix                           

    D)  cycloid

    Correct Answer: A

    Solution :

    Due to electric field \[\varepsilon ,\] the force on a particle of charge q is \[F=q\varepsilon \] in the direction of the electric field-since E parallel to B, the velocity V of the particle is parrallel to B. Hence, B will not affect the motion of the particle since\[V\times B=0.\]


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