RC Circuit For the circuit shown in Fig. 2| find v(t) for t>0. Assume the switch has been on for long enough time. t=0 40 4V(+ 50Z 4 2V + 10V 20 v(t)= 4F
RC Circuit For the circuit shown in Fig. 2| find v(t) for t>0. Assume the switch has been on for long enough time. t=0 40 4V(+ 50Z 4 2V + 10V 20 v(t)= 4F
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:## RC Circuit
### Problem Statement
For the circuit shown in Fig. 2, find \( v(t) \) for \( t \geq 0 \). Assume the switch has been on for a long enough time.
### Circuit Schematic
Diagrams in electrical engineering often involve several components connected in a specific manner. Figure 2 depicted below is one such circuit that involves resistors, capacitors, voltage sources, and a switch:
```
4Ω
|----\/\/\----|
| |
4V |
| /
--- / 1Ω
--- / -------| t=0 <--/
| / |
2Ω / 10V --------
| / | \| 5Ω
| / | / |---/\/\/\--------10τ \
\---| | / 2V
^( \ ( v(t)| 4F ) ) )
| \| |/ | ^
|------| | / |
\| )
```
### Components and Their Connections
- **Resistors:**
- 4Ω resistor in series with a 2Ω resistor on the left side of the circuit.
- 1Ω resistor connected in series following the switch.
- 5Ω resistor in series with the 2V voltage source on the right side.
- **Capacitor:**
- A 4F capacitor is connected in parallel with the 2Ω resistor and positioned across the switch.
- **Voltage Sources:**
- A 4V voltage source connected in series with the 4Ω resistor.
- A 10V voltage source connected in parallel with the 2V voltage source and the 5Ω resistor.
### Switch Operation
- The switch in the circuit opens at time \( t = 0 \). Before \( t = 0 \), the switch had been closed for enough time for the capacitor to reach a steady-state voltage.
### Objective
- Determine the voltage \( v(t) \) across the capacitor for \( t \geq 0 \) after the switch has been opened.
Understanding how these components interact will allow us to derive the voltage \( v(t) \) for the
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