(a) The magnitude of the net electric field at point Pis ()net123/222222001/212sin 244/2qdqdEEdrθπεªº===«»+ªº++¬¼¬¼GFor rd>>, we write [(d/2)2+ r2]3/2≈r3so the expression above reduces to net301||.4qdEr≈G(b) From the figure, it is clear that the net electric field at point
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This note was uploaded on 01/25/2011 for the course PHYSICS 17029 taught by Professor Rebello,nobels during the Fall '10 term at Kansas State University.