For the circuit in Figure 3 the switch is in the left position for several minutes: (a) Find the Initlal voltage, Vo on the capacitor just before the switch is flipped (b) Find an expresslon v(t) that describes the voltage across the 20 2 resistor after the switch has been flipped to the right NOTE: Remember what we said in class: use a Circuit-Specific Equation to get a value you know. Then solve for whatever else the problem asks for

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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**Text Transcription:**

For the circuit in Figure 3, the switch is in the left position for several minutes.

(a) Find the initial voltage, \( v_0 \), on the capacitor just before the switch is flipped.

(b) Find an expression \( v(t) \) that describes the voltage across the 20 Ω resistor after the switch has been flipped to the right.

**NOTE**: Remember what we said in class: use a Circuit-Specific Equation to get the value you know. Then solve for whatever else the problem asks for.

---

**Diagram Explanation:**

Figure 3 illustrates an electrical circuit connected to a 12 V power source. The circuit consists of the following components:

- Resistors:
  - 1 Ω
  - 5 Ω
  - 80 Ω
  - 20 Ω
  - 60 Ω

- A capacitor with a capacitance of 50 μF

- A switch that can move between two positions

When the switch is in the left position, the complete 12 V power supply circuit includes the 1 Ω, 5 Ω, and 80 Ω resistors and the 50 μF capacitor. 

When the switch is flipped to the right, the circuit engages the 20 Ω and 60 Ω resistors, affecting the voltage distribution.
Transcribed Image Text:**Text Transcription:** For the circuit in Figure 3, the switch is in the left position for several minutes. (a) Find the initial voltage, \( v_0 \), on the capacitor just before the switch is flipped. (b) Find an expression \( v(t) \) that describes the voltage across the 20 Ω resistor after the switch has been flipped to the right. **NOTE**: Remember what we said in class: use a Circuit-Specific Equation to get the value you know. Then solve for whatever else the problem asks for. --- **Diagram Explanation:** Figure 3 illustrates an electrical circuit connected to a 12 V power source. The circuit consists of the following components: - Resistors: - 1 Ω - 5 Ω - 80 Ω - 20 Ω - 60 Ω - A capacitor with a capacitance of 50 μF - A switch that can move between two positions When the switch is in the left position, the complete 12 V power supply circuit includes the 1 Ω, 5 Ω, and 80 Ω resistors and the 50 μF capacitor. When the switch is flipped to the right, the circuit engages the 20 Ω and 60 Ω resistors, affecting the voltage distribution.
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