Question: Positive charge Q is distributed uniformly along the positive y-axis between y = 0 and y = a. A negative point charge -q lies on

Positive charge Q is distributed uniformly along the positive y-axis between y = 0 and y = a. A negative point charge -q lies on the positive x axis, a distance x from the origin (Fig. 21.48). (a) Calculate the x and y-components of the electric field produced by the charge distribution Q at points on the positive x-axis. (b) Calculate the x- and y-components of the force that the charge distribution Q exerts on q. (c) Show that if x » a, Fx ≡+Qq/4πє0x3 and Fy ≡+Qqa/8πє0x3. Explain why this result is obtained.

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