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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
Transcribed Image Text:**Title:** Calculating Currents in a Complex Circuit
**Description:** This educational content delves into analyzing a specific electrical circuit to determine the currents \(I_1\), \(I_2\), and \(I_3\). The circuit diagram provided illustrates the components and their arrangements.
**Problem Statement:**
Calculate currents \(I_1\), \(I_2\), and \(I_3\) in the following circuit.
**Circuit Diagram Description:**
The circuit consists of two voltage sources and five resistors arranged in a specific configuration. The components and their connections are as follows:
- A 24.0 V voltage source is connected in series with a 2.00 Ω resistor.
- This series connection continues to a parallel branch containing a 4.00 Ω resistor.
- The other parallel branch connects to another 3.00 Ω resistor, which then joins another parallel branch with a combination of:
- A 12.0 V voltage source connected in series with a 5.00 Ω resistor.
- This series connection continues to a 1.00 Ω resistor.
Currents \(I_1\), \(I_2\), and \(I_3\) are marked with arrows indicating the direction of the flow:
- \(I_1\) flows through the 2.00 Ω and 4.00 Ω resistors.
- \(I_2\) flows through the 3.00 Ω and the combined 1.00 Ω and 5.00 Ω resistors.
- \(I_3\) is the current flowing through the 4.00 Ω resistor.
**Analysis and Calculation Steps:**
To solve for the currents \(I_1\), \(I_2\), and \(I_3\), you can use Kirchhoff's Circuit Laws, which include Kirchhoff's Voltage Law (KVL) and Kirchhoff's Current Law (KCL), along with Ohm's Law.
1. **Determine the Total Equivalent Resistance:**
- Calculate the equivalent resistance for the resistors in parallel series.
2. **Apply Kirchhoff's Voltage Law (KVL):**
- Write and solve the equations for the loops within the circuit to find the voltages across each resistor.
3. **Apply Kirchhoff's Current Law (KCL):**
- Write and solve the equations for the junctions in the circuit to find the current through each component.
**Conclusion
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