12 µF 6 µF 18 V 9 µF

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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For the circuit below, what is the total charge stored?

The image contains a schematic of an electrical circuit and two important constants relevant to electrical calculations.

### Circuit Diagram:
- **Components**: The circuit includes a voltage source (battery) and three capacitors.
- **Voltage Source**: 18 V
- **Capacitors**:
  - One 12 µF capacitor
  - One 6 µF capacitor
  - One 9 µF capacitor
- **Configuration**: 
  - The 12 µF and 6 µF capacitors are connected in parallel.
  - The parallel combination of the 12 µF and 6 µF capacitors is in series with the 9 µF capacitor.

### Constants:
- **Coulomb's Law Constant (k)**:
  \[
  k = 9 \times 10^9 \, \frac{Nm^2}{coul^2}
  \]
  This is the electrostatic constant used in calculations involving electric forces between point charges.

- **Permittivity of Free Space (\(\varepsilon_0\))**:
  \[
  \varepsilon_0 = 8.85 \times 10^{-12} \, \frac{C^2}{Nm^2}
  \]
  This constant is used in calculations involving electric fields and capacitance in a vacuum.

This diagram and the constants are essential for analyzing and solving problems related to circuits and electrostatic interactions.
Transcribed Image Text:The image contains a schematic of an electrical circuit and two important constants relevant to electrical calculations. ### Circuit Diagram: - **Components**: The circuit includes a voltage source (battery) and three capacitors. - **Voltage Source**: 18 V - **Capacitors**: - One 12 µF capacitor - One 6 µF capacitor - One 9 µF capacitor - **Configuration**: - The 12 µF and 6 µF capacitors are connected in parallel. - The parallel combination of the 12 µF and 6 µF capacitors is in series with the 9 µF capacitor. ### Constants: - **Coulomb's Law Constant (k)**: \[ k = 9 \times 10^9 \, \frac{Nm^2}{coul^2} \] This is the electrostatic constant used in calculations involving electric forces between point charges. - **Permittivity of Free Space (\(\varepsilon_0\))**: \[ \varepsilon_0 = 8.85 \times 10^{-12} \, \frac{C^2}{Nm^2} \] This constant is used in calculations involving electric fields and capacitance in a vacuum. This diagram and the constants are essential for analyzing and solving problems related to circuits and electrostatic interactions.
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