We assemble a group of three charges, each of + 2.0 µC,bringing them in from infinite distance, where we set V =0. We put the first charge at x = 0 cm, then put thesecond one at x = 10 cm, and last put the third one at x =20 cm. What was the total work done by the appliedforce? (Hint: At each step, W_applied = + Delta(PE) = + qDelta(V), where q is the charge you're bringing in nowand V is determined by the charges that are already inplace.)

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Answered: We assemble a group of three charges,…

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