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Statement of a problem № 2913

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A 5.0-nF capacitor is charged to a potential difference of 20 kV between plates. After being disconnected from the power source, it is connected across a 7.0-MS resistor to discharge. What is the initial discharge current, and how long will it take for the capacitor voltage to decrease to 37 percent of the 20 kV?

Solution:
A 5.0-nF capacitor is charged to a potential difference of 20 kV between plates.

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