A large capacitor of 1000 µF is charged by a steady current of 1 mA until it reaches a voltage of 100 V. At that voltage, the charging circuit is disconnected. i)Calculate how long the charging takes. ii) A 10 kΩ resistor is connected across the capacitor to discharge it. Sketch a graph of the current I in the resistor as a function of time, with appropriate numbers and units marked on the axes.

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 55P
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A large capacitor of 1000 µF is charged by a steady current of 1 mA until it reaches a voltage of 100 V. At that voltage, the charging circuit is disconnected.

i)Calculate how long the charging takes.

ii) A 10 kΩ resistor is connected across the capacitor to discharge it. Sketch a graph of the current I in the resistor as a function of time, with appropriate numbers and units marked on the axes.

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