Answered: A circular plastic disk with radius R =… | bartleby

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A circular plastic disk with radius R = 2.00 cm has a uniformly distributed charge
Q = +(2.00 x 106)e on one face. A circular ring of width 30 µm is centered on that
face, with the center of that width at radius r = 0.50 cm. In coulombs, what charge is
contained within the width of the ring?

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