OER 2016 Edition

ISBN: 9781947172173

Author: OpenStax

Publisher: OpenStax College

Concept explainers

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 …

Textbook Question

Chapter 20, Problem 21PE

How many volts are supplied to operate an indicator light on a DVD player that has a resistance of 140Ω, given that 25.0 mA passes through it?

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Chapter 20, Problem 20PE

Chapter 20, Problem 22PE

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Chapter 20 Solutions

College Physics

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