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R1 100 2 R3 300 2 20 mA 20 mA +10V 는 R2 R4 50 Q R7 150 Q R6 150 2

R1 100 2 R3 300 2 20 mA 20 mA +10V 는 R2 R4 50 Q R7 150 Q R6 150 2

College Physics
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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given:

total resistance of area within dashed line = 480 ohms

total current = 0.02 A

calculated 75 ohms for R4 

how do you find R2?

**Circuit Overview** The diagram illustrates an electrical circuit comprising multiple resistors with distinct resistances arranged in both series and parallel configurations. **Components and Configuration:** 1. **Voltage Source:** - A 10V battery is depicted, powering the circuit. 2. **Current Flow:** - The circuit carries a current of 20 mA flowing through it, indicated by arrows. 3. **Resistors:** - **R1 (100 Ω):** Positioned at the beginning of the circuit, in series with the power source. - **R2:** Located in parallel with the path between R1 and R7. - **R3 (300 Ω):** Positioned horizontally, creating a section of parallel configuration with R4 and a 50 Ω resistor. - **R4:** Placed vertically, in parallel with a 50 Ω resistor. - **R5 (50 Ω):** Parallel to R4, contributing to a subsection of the parallel network. - **R6 (150 Ω):** Forms part of the series path returning to the power source. - **R7 (150 Ω):** Arranged in series after R1, finalizing the path merging back into R6. The circuit is an educational example showcasing how series and parallel resistors can be organized within a closed-loop, affecting total resistance, current distribution, and voltage drop across components.
Transcribed Image Text:**Circuit Overview** The diagram illustrates an electrical circuit comprising multiple resistors with distinct resistances arranged in both series and parallel configurations. **Components and Configuration:** 1. **Voltage Source:** - A 10V battery is depicted, powering the circuit. 2. **Current Flow:** - The circuit carries a current of 20 mA flowing through it, indicated by arrows. 3. **Resistors:** - **R1 (100 Ω):** Positioned at the beginning of the circuit, in series with the power source. - **R2:** Located in parallel with the path between R1 and R7. - **R3 (300 Ω):** Positioned horizontally, creating a section of parallel configuration with R4 and a 50 Ω resistor. - **R4:** Placed vertically, in parallel with a 50 Ω resistor. - **R5 (50 Ω):** Parallel to R4, contributing to a subsection of the parallel network. - **R6 (150 Ω):** Forms part of the series path returning to the power source. - **R7 (150 Ω):** Arranged in series after R1, finalizing the path merging back into R6. The circuit is an educational example showcasing how series and parallel resistors can be organized within a closed-loop, affecting total resistance, current distribution, and voltage drop across components.
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