Answered: Consider the following figure. (Assume…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 5CQ

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Consider the following figure. (Assume R₁ = 5.40 Ω, R₂ = 5.50 Ω, and = 16.0 V.)

An open circuit begins at point a with a wire extending horizontally leftwards until it reaches a 4.00 V battery with the positive terminal on the left. After the battery, the wire splits into two branches. One branch continues left to a resistor R₁, turns downwards and continues to a battery with emf ℰ with the positive terminal on top, and then turns rightwards. The other branch goes downwards and contains a resistor R₂. The two branches recombine and the wire extends rightwards until it reaches a 10.0 Ω resistor before ending at point b.

(a) Calculate the magnitude of the potential difference between points a and b in the figure above.
V

(b) Identify which point is at the higher potential.

point apoint b they are at equal potentials