A resistor R1 = 10 Ω is connected in parallel with a second resistor R2 = 4R1. This parallel configuration is then connected in series with R3 = R1/5 and across a cell with voltage V = 18 V. What is the current flowing through resistor R3? Select one: a. 1.25 A b. 4.0 A c. 1.8 A d. 360 mA

A resistor R1 = 10 Ω is connected in parallel with a second resistor R2 = 4R1. This parallel configuration is then connected in series with R3 = R1/5 and across a cell with voltage V = 18 V. What is the current flowing through resistor R3? Select one: a. 1.25 A b. 4.0 A c. 1.8 A d. 360 mA

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 68AP: A circuit contains a D-cell battery, a switch, a 20- resistor, and three 20-mF capacitors. The...

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Question

A resistor R₁ = 10 Ω is connected in parallel with a second resistor R₂ = 4R₁. This parallel configuration is then connected in series with R₃ = R₁/5 and across a cell with voltage V = 18 V.

What is the current flowing through resistor R₃?

Select one:

a. 1.25 A

b. 4.0 A

c. 1.8 A

d. 360 mA

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