Find the x-component of the electric field ex

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Reference no: EM13240348

A point charge of 20nC is placed on the x-axis at the point x = 2. Find the x-component of the electric field Ex at x = 4 and x = -1 where the coordinates are in meters. Sketch Ex as a function of x.

What if the point charge is -20nC?

Reference no: EM13240348

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