In the circuit shown, there are two resistors, with R = 5.0 k2 and R2 = 10.0 k2, along with a capacitor, with C= 15.0 uF, initially uncharged, parallel to the second resistor. The battery supplies a voltage of E=30.0 V. The switch is closed at t= 0. (a) At that instant, what is the current in each resistor? What are the final (b) currents and (c) charge on the capcitor when the switch has been closed for a long time? (d) When the switch is re-opened, what is the time-constant for the discharging capacitor? +
In the circuit shown, there are two resistors, with R = 5.0 k2 and R2 = 10.0 k2, along with a capacitor, with C= 15.0 uF, initially uncharged, parallel to the second resistor. The battery supplies a voltage of E=30.0 V. The switch is closed at t= 0. (a) At that instant, what is the current in each resistor? What are the final (b) currents and (c) charge on the capcitor when the switch has been closed for a long time? (d) When the switch is re-opened, what is the time-constant for the discharging capacitor? +
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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### Circuit Analysis Problem
**Problem Statement:**
In the circuit shown, there are two resistors, with \( R_1 = 5.0 \, \text{k}\Omega \) and \( R_2 = 10.0 \, \text{k}\Omega \), along with a capacitor, \( C = 15.0 \, \mu\text{F} \), initially uncharged, parallel to the second resistor. The battery supplies a voltage of \( \mathcal{E} = 30.0 \, \text{V} \). The switch is closed at \( t = 0 \).
**Questions:**
(a) At that instant, what is the current in each resistor?
(b) What are the final currents and
(c) the charge on the capacitor when the switch has been closed for a long time?
(d) When the switch is re-opened, what is the time constant for the discharging capacitor?
**Diagram Explanation:**
- **Components**:
- Battery (\( \mathcal{E} = 30.0 \, \text{V} \))
- Resistor \( R_1 = 5.0 \, \text{k}\Omega \)
- Resistor \( R_2 = 10.0 \, \text{k}\Omega \)
- Capacitor \( C = 15.0 \, \mu\text{F} \)
- Switch (denoted as \( S \)), initially open
- **Connections**:
- The switch \( S \) is connected in series with \( R_1 \).
- The capacitor \( C \) is connected in parallel with \( R_2 \).
When the switch is closed, the current flows through \( R_1 \) and \( R_2 \), and begins charging the capacitor \( C \).
---
This structure ensures clear understanding and focus on the problem-solving aspects for educational purposes."
Transcribed Image Text:The text describes an electrical circuit problem involving a configuration with resistors, a capacitor, and a battery. Here's the transcription of the content, suitable for an educational website:
---
### Circuit Analysis Problem
**Problem Statement:**
In the circuit shown, there are two resistors, with \( R_1 = 5.0 \, \text{k}\Omega \) and \( R_2 = 10.0 \, \text{k}\Omega \), along with a capacitor, \( C = 15.0 \, \mu\text{F} \), initially uncharged, parallel to the second resistor. The battery supplies a voltage of \( \mathcal{E} = 30.0 \, \text{V} \). The switch is closed at \( t = 0 \).
**Questions:**
(a) At that instant, what is the current in each resistor?
(b) What are the final currents and
(c) the charge on the capacitor when the switch has been closed for a long time?
(d) When the switch is re-opened, what is the time constant for the discharging capacitor?
**Diagram Explanation:**
- **Components**:
- Battery (\( \mathcal{E} = 30.0 \, \text{V} \))
- Resistor \( R_1 = 5.0 \, \text{k}\Omega \)
- Resistor \( R_2 = 10.0 \, \text{k}\Omega \)
- Capacitor \( C = 15.0 \, \mu\text{F} \)
- Switch (denoted as \( S \)), initially open
- **Connections**:
- The switch \( S \) is connected in series with \( R_1 \).
- The capacitor \( C \) is connected in parallel with \( R_2 \).
When the switch is closed, the current flows through \( R_1 \) and \( R_2 \), and begins charging the capacitor \( C \).
---
This structure ensures clear understanding and focus on the problem-solving aspects for educational purposes.
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