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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 uA? 22 µF 2.8 MQ O 87 s O 95 s

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 uA? 22 µF 2.8 MQ O 87 s O 95 s

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Question 8. Please help with the question attached below. 

**Circuit Analysis Problem** 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? **Circuit Diagram Explanation:** - **Capacitor:** 22 μF - **Resistor:** 2.8 MΩ When the switch \( S \) is closed, the capacitor begins to discharge through the resistor. The question requires determining the time it takes for the current through the resistor to reach 7.0 μA. **Multiple Choice Options:** - ○ 87 s - ○ 95 s - ○ 78 s - ○ 69 s - ○ 61 s This problem involves calculating the discharge time constant of an RC circuit and using it to find when the current reaches a specific value.
Transcribed Image Text:**Circuit Analysis Problem** 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? **Circuit Diagram Explanation:** - **Capacitor:** 22 μF - **Resistor:** 2.8 MΩ When the switch \( S \) is closed, the capacitor begins to discharge through the resistor. The question requires determining the time it takes for the current through the resistor to reach 7.0 μA. **Multiple Choice Options:** - ○ 87 s - ○ 95 s - ○ 78 s - ○ 69 s - ○ 61 s This problem involves calculating the discharge time constant of an RC circuit and using it to find when the current reaches a specific value.
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