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Two long wires having linear charge dens...

Two long wires having linear charge density `lamda` and `- lamda` are placed parallel to each other at separation ras shown in the figure. The electric field at point P will be

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Between two infinitely long wires having linear charge densities lambda and -lambda there are two points A and B shown in the figure. The amount of work done by the electric field moving a point charge q_(0) from A to B is equal to

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Knowledge Check

  • Two long wires are placed parallel to each other 10cm apart as shown in figure. The magnetic field at point P is

    A
    `5//6xx10^(-3)T` directed perpendicular into the paper
    B
    `1//3xx10^(-3)T` directed perpendicular out of the paper
    C
    `5//6xx10^(-3)T` directed perpendicular out of the paper
    D
    `1//6 xx10^(-3)T` directed perpendicular into the paper

  • Two infinitely long thin styraight wires having uniform linear charge densities lambda and 2lambda are arranged parallel to each other at a distance r apart.The intensity of the electric field at a point midway between them is

    A
    `(2lambda)/(piepsilon_(0)`
    B
    `(lambda)/(piepsilon_(0)r)`
    C
    `(lambda)/(2piepsilon_(0)r)`
    D
    `(3lambda)/(2piepsilon_(0)r)`

  • Three infinitely long charge sheets are placed as shown in figure. The electric field at point P is

    A
    `(2 sigma)/(epsilon_0)hatk`
    B
    `-(2 sigma)/(epsilon_0)hatk`
    C
    `(4 sigma)/(epsilon_0)hatk`
    D
    `-(4 sigma)/(epsilon_0)hatk`

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