A thin glass rod is bent into a semicircle of radius

Reference no: EM13665137

A thin glass rod is bent into a semicircle of radius r=5cm. A charge of +q = 4.5 pC is uniformly distributed along the upper quadrant and -q = -4.5 pC along the lower quadrant. What is the magnitude and direction of the electric field at P, the center of the circle?

Reference no: EM13665137

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