Posted by **Ann** on Sunday, January 21, 2007 at 12:13pm.

The final charge on each of the three separated spheres in part (c) is +3.0 µC. How many electrons would have to be added to one of the three spheres to make it electrically neutral?

Divide 3*10^-6 Coulombs by 1.6*10^-19 Coulombs per electron. The will be the number of electrons needed per sphere

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