How Long Will It Take a Charged 80-μF Capacitor to Lose

question 79

Multiple Choice

How long will it take a charged 80-μF capacitor to lose 20% of its initial energy when it is allowed to discharge through a 45-Ω resistor?

• A) 0.92 ms
• B) 0.64 ms
• C) 0.40 ms
• D) 0.19 ms
• E) 0.80 ms

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