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An electric field of a finite rod

Need help with the following problem.

Positive electric charge Q is distributed uniformly along a rod with length 2a, lying along the y-axis between y=-a and y=a. Find the electric field at point P on the x-axis at a distance x from the origin. What if the system was less symmetric?


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Solution Summary

The solution shows, step by step. how to construct and solve the integral that yields the electric field.