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23 Nov 2019
in figure 22-45,two curved plastic rods,one of charge +q and the other of charge -q .form a circle of radius R=8.50cm in an xy plane. The x axis is passes through both of the connecting point,and the charge is distributed uniformly on both rods. If q=15.0 pC,what are the magnitude and direction(relative to the positive direction of the x axis) of the electric field E produced at P,the center of the circle?
in figure 22-45,two curved plastic rods,one of charge +q and the other of charge -q .form a circle of radius R=8.50cm in an xy plane. The x axis is passes through both of the connecting point,and the charge is distributed uniformly on both rods. If q=15.0 pC,what are the magnitude and direction(relative to the positive direction of the x axis) of the electric field E produced at P,the center of the circle?
