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PHY2061 R. D. Field Department of Physics chp26_5.doc University of Florida Calculating the Electric Field Example: P x L A total amount of charge Q is uniformily distributed along a thin straight rod of length L . What is the electric field at a point P on the x-axis a distance x from the end of the rod? Answer: r E KQ xx L x = + () $ Example: A total amount of charge Q is uniformily distributed along a thin
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