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An electron in moving along positive x-a...

An electron in moving along positive x-axis in the presence of uniform magnetic field along positive y-axis. What is the direction of the force acting on it ?

Text Solution

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In accordance with Fleming.s left hand rule the force is along negative z-axis.
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Knowledge Check

  • An electron is moving along positive x-axis. A unifrom electric field exists towards negative y-axis. What should be the direction of magnetic field of suitable magnitude so that the net orce of electron is zero?

    A
    Positive z-axis
    B
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    C
    Positive y-axis
    D
    Negative y-axis

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    A
    positivez-axis
    B
    negative z-axis
    C
    positivey-axis
    D
    negative y-axis

  • An electron moving with a uniform velocity along the positive x -direction enters a magnetic field directed along the positive y -direction. The force on the electron is directed along

    A
    Positive `y-` direction
    B
    Negative `y`-direction
    C
    Positive `z`- direction
    D
    Negative `z`-direction

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