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What is the voltage at point A if R1 = 100 Ohms, R2 = 200 Ohms, and R3 = 300 Ohms? R, 20V ww R, ww

What is the voltage at point A if R1 = 100 Ohms, R2 = 200 Ohms, and R3 = 300 Ohms? R, 20V ww R, ww

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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The problem states: "What is the voltage at point A if R₁ = 100 Ohms, R₂ = 200 Ohms, and R₃ = 300 Ohms?" **Diagram Description:** The circuit diagram includes a 20V battery connected to three resistors: 1. **R₁ (100 Ohms):** Connected in series with the battery. 2. **R₂ (200 Ohms):** Connected in parallel with R₁, with point A located at the junction where R₂ meets the junction. 3. **R₃ (300 Ohms):** Connected in series with the set of parallel resistors R₁ and R₂. **Explanation:** The circuit illustrates a mixed combination of series and parallel resistors. The voltage across R₂ needs to be calculated to determine the voltage at point A. Since R₂ is in parallel with R₁, their combined effect influences the voltage at the junction point A. To solve this, the total resistance in the circuit must be calculated first, considering the parallel connection of R₁ and R₂ followed by their series connection with R₃. Once the total current is known, the voltage drop across R₃ can be found, and this will give the voltage at point A.
Transcribed Image Text:The problem states: "What is the voltage at point A if R₁ = 100 Ohms, R₂ = 200 Ohms, and R₃ = 300 Ohms?" **Diagram Description:** The circuit diagram includes a 20V battery connected to three resistors: 1. **R₁ (100 Ohms):** Connected in series with the battery. 2. **R₂ (200 Ohms):** Connected in parallel with R₁, with point A located at the junction where R₂ meets the junction. 3. **R₃ (300 Ohms):** Connected in series with the set of parallel resistors R₁ and R₂. **Explanation:** The circuit illustrates a mixed combination of series and parallel resistors. The voltage across R₂ needs to be calculated to determine the voltage at point A. Since R₂ is in parallel with R₁, their combined effect influences the voltage at the junction point A. To solve this, the total resistance in the circuit must be calculated first, considering the parallel connection of R₁ and R₂ followed by their series connection with R₃. Once the total current is known, the voltage drop across R₃ can be found, and this will give the voltage at point A.
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