How long will it take to completely discharge a 0.47 µF capacitor through a 10 kΩ resistor?
A)0.47 ms
B)0.18 ms
C)2.35 s
D)23.5 ms

Name: How long will it take to completely discharge a 0.47 µF capacitor through a 10 kΩ resistor? A)0.47 ms B)0.18 ms C)2.35 s D)23.5 ms
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Question

Quizplus · Accepted Answer

The time constant τ for an RC circuit is given by τ = R * C. Here, R = 10 kΩ and C = 0.47 µF. So, τ = 10,000 Ω * 0.47 * 10^-6 F = 4.7 ms. It takes about 5 time constants to discharge completely, so 5 * 4.7 ms = 23.5 ms.

How Long Will It Take to Completely Discharge a 0