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NEET AIPMT SOLVED PAPER SCREENING 2011

  • question_answer
    A uniform electric field and a uniform magnetic field are acting along the same direction in a certain region. If an electron is projected in the region such that its velocity is pointed along the direction of fields, then the electron

    A)  speed will decrease

    B)  speed will increase

    C)  will turn towards left of direction of motion

    D)  will turn towards right of direction a motion

    Correct Answer: A

    Solution :

    Field B not applied only force. Field E will apply a force opposite to velocity of the electron hence, speed will decreases.


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