12. For the RC circuit shown, the switch has been closed for a very long time. (a) What is the voltage across the capacitor? The switch is then opened at $t = 0$ s. (b) What is the voltage across the capacitor at $t = 0.004$ s? (c) What is the voltage across the capacitor a long time after the switch is opened?
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0 \, \text{V} \) - Resistance, \( R = 2000 \, \Omega \) - Time, \( t = 0.0045 \, \text{s} \) Show more…
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