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Chapter 19, Problem 11MCQ

(choose chapter or problem)

The capacitor in the circuit shown in Fig. 19-47 is charged to an initial value Q. When the switch is closed, it discharges through the resistor. It takes 2.0 seconds for the charge to drop to \(\frac{1}{2} Q\). How long does it take to drop to \(\frac{1}{4} Q\)?

(a) 3.0 seconds.

(b) 4.0 seconds.

(c) Between 2.0 and 3.0 seconds.

(d) Between 3.0 and 4.0 seconds.

(e) More than 4.0 seconds.

Equation Transcription:

Text Transcription:

1/2Q

1/4Q

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