Physics, 17.03.2020 06:41, nunu7773

Assume we are given an electric field set up by an unknown charge distribution. U0 is the amount of work needed to bring a point charge of charge q0 in from infinity to a point P. If the charge q0 is returned to infinity, how much work would it take to bring a new charge of 4 q0 from infinity to point P?

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Assume we are given an electric field set up by an unknown charge distribution. U0 is the amount of...