N7 equal charges are located in the seven sides of a
N=7 equal charges are located in the seven sides of a symmetrical octagon, distance R from the center. Obtain the direction and magnitude of the electric field at the center of the octagon.
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light of wavelength 550 nanometer falls on a 033 millimeter wide slit and forms a diffraction pattern on a screen 12
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n7 equal charges are located in the seven sides of a symmetrical octagon distance r from the center obtain the
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