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What is the work done in moving a test ...

What is the work done in moving a test charge q through a distance of 1 cm along the equatorial axis of an electric dipole ?

Text Solution

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Since, potential for equipotential surface
`V=0`
Work done in moving a positive test charge q through a distance 1 cm is
`W=qV=qxx0=0`
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Knowledge Check

  • When a test charge is brough in from infinity along the perpendicular bisector of an electric dipole the work done is

    A
    positive
    B
    zero
    C
    negative
    D
    none of these

  • There is an electric field E in x-direction. If the work done on moving a charge of 0.2C through a distance of 2w m along a line making a angle 60^@ with x-axis is 4 J, then what is the value of E?

    A
    `sqrt3N//C`
    B
    `4N//C`
    C
    `5N//C`
    D
    `20N//C`

  • There exist an electric field of magnitude E in x-direction . If the work done in moving a charge of 0.2 C through a distance of 2m along a line making an angle 60^(@) with x-axis is 4J , then the value of E is

    A
    `sqrt(3) N //C`
    B
    `4 N //C`
    C
    ` 5 N //C`
    D
    ` 20 N //C`

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    There is and electric field E in the +x direction. If the work done by the electric field in moving a charges 0.2C through a distance of 2m along a line making an angle of 60^(@) with the x-axis is 1.0J , what is the value of E in NC^(-1) ?

    What is the electric potential at a point on the equatorial plane of a short electric dipole?

    No work is done in moving a test charge over an equipotential surface, why?

    Three is an electric field E in the x - direction. If the work done by the electric field in moving a charge of 0.2 C through a distance of 2 m along a line making an angle 60^(@) with the x- axis is 4 J , then what is the value of E ?

    If the work done by a force in moving an object through a distance of 20 cm is 24.2 J, what is the magnitude of the force ?

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