Answered: In the circuit below, if R1=100 ohms…

In the circuit below, if R1=100 ohms and R2=200 ohms and the total resistance is 54.5 ohms, what is the value of Rn? FR2 Rn

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter23: Series And Parallel Circuits

Section: Chapter Questions

Problem 1STP

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Concept explainers

Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.

Question

In the circuit below, if R1=100 ohms and R2=200 ohms and the total resistance is 54.5 ohms, what is the value of Rn?
R2
300 ohms
200 ohms
100 ohms
50 ohms

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