This circuit applies to the next several questions. We are at the t→∞ limit, where everything is constant but time.
Calculate the energy in the capacitor, in μJ.
- ℰ = 7 Volts
- R1 = 19 Ω
- R2 = 37 Ω
- R3 = 45 Ω
- C = 4.5 μF
Calculate the power through R3 in Watts.
- ℰ = 7 Volts
- R1 = 13 Ω
- R2 = 21 Ω
- R3 = 42 Ω
- C = 4.1 μF
At a certain time, the power supply is turned off. (The power supply in the circuit is replaced by an open space.) Which of the circuit quantities cannot change immediately during the switch-off?
A. Current through R1
B. The capacitor charge
C. Current through R3
D. Current through R2
E. They will all change.
Homework Answers
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This circuit applies to the next several questions. We are at
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Electricity
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