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    Electrostatics: Field due to linear charge distribution.

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    Positive charge Q is distributed uniformly along the x-axis from x = 0 to x = a. A positive point charge q is located on the positive x-axis at x = a + r, a distance r to the right of the end of Q (see the attachment).

    (a) Calculate the x-component of the electric field produced by the charge distribution Q at points on the positive x-axis where x > a.

    (b) Calculate the y-component of the electric field produced by the charge distribution Q at points on the positive x-axis where x > a.

    (c) Calculate the direction of the force that the charge distribution Q exerts on q.

    (d) Show that if r >> a the magnitude of the force in part (c) is approximately Qq/[4*pi*epsilon_0*(r^2)]. Explain why this result is obtained.

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    https://brainmass.com/physics/charge/electrostatics-field-linear-charge-distribution-201979

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    Solution Summary

    The electric field due to a line charge distribution is calculated and analyzed.

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