PHY 2054 Final Spring 2011 Key

PHY 2054 Final Spring 2011 Key - 77777 Instructor(s...

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77777 77777 6. If the switch shown in the figure is closed at t = 0, how much energy is stored in the capacitor C (in μ J) at t = 10 ms? Assume that ² = 15V, R 1 = 100Ω R 2 = 500Ω and C = 10 μ F. (1) 740.2 (2) 329.2 (3) 18.1 (4) 29.6 (5) 0.5 7. If the switch shown in the figure is closed at t = 0, how much energy is stored in the capacitor C (in μ J) at t = 10 ms? Assume that ² = 3V, R 1 = 100Ω R 2 = 500Ω and C = 10 μ F.
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