Four charged rings placed as in the figure below. Given that all rings have the same charge 60 nC and radius a=0.10 m, find the electric field (in units of kN/C) at point p. 0000, Fa -a –+a -a Select one: A. 24.95 B. 66.95 C. 48.95 D. 36.95 E. 84.95
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