Capacitors won't hold a charge indefinitely; as time goes on, charge gradually migrates from the positive to

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Capacitors won't hold a charge indefinitely; as time goes on, charge gradually migrates from the positive to the negative plate. We can model this as a discharge of the capacitor through an internal "leakage resistance." A 0.47 F capacitor charged to 2.5 V will initially discharge with a leakage current of 0.25 mA. 

a. What is the leakage resistance? 

b. How long will it take for the capacitor voltage to drop to 1.0 V?

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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