If two equal positive charges are separated by a distance r and then they are moved...
If two equal positive charges are separated by a distance r and then they are moved so that their separation distance doubles, what happens to the electrical potential energy stored in the system?
which answer is right: ???
A. Increased by a factor of 4
B. Increased by a factor of 2
C. Decreased by a factor of 2
D. Decreased by a factor of 4
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of large area,
separated by a thin insulating foil. It has an electrical capacity
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3800 uF and is charged to a potential difference of 75.0
V. Calculate the amount of energy stored in the capacitor.
2.)Calculate the
charge on this capacitor when the electrical energy stored in the
capacitor is 9.85 J.
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