How much work in joules is done in moving a charge of 210-6, Ask an Expert

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Q. How much work (in joules) is done in moving a charge of 2*10^-6 electrons from the positive terminal of the battery to the negative terminal of a 12-Volt battery?

Q. Calculate the magnitude of the force between a gold nucleus and an electron in an orbit with radius 4.49 10-12 m around the nucleus. The gold nucleus has a charge of +79e.

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