positive charge Q is distributed uniformly along the x-axis from x=0 to x=a. A positive point charge q is located at x=a+r. a. Find the electric field due to the charge Q at the location of q (at x=a+r) b.find the electric force that Q exerts on q. show that for the limiting case r>>a, the force reduces to F=1/4π epsilon not Qq/r^2 x and explain why you achieve this result.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.