RC Circuits: for the Circuit Shown in the Figure, the Switch

question 25

Multiple Choice

RC circuits: For the circuit shown in the figure, the switch S is initially open and the capacitor voltage is 80 V. The switch is then closed at time t = 0. How long after closing the switch will the current in the resistor be 7.0 µA?

• A) 87 s
• B) 95 s
• C) 78 s
• D) 69 s
• E) 61 s

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