How Long Will It Take a Charged 80- $\mu$ F Capacitor to Lose 20% of Its Initial Energy When

question 73

Multiple Choice

How long will it take a charged 80- $\mu$ F capacitor to lose 20% of its initial energy when it is allowed to discharge through a 45- $\Omega$ 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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