Answered: QUESTION 6 Which of the following…

QUESTION 6 Which of the following materials has the lowest resistivity? a. Aluminum b. Rubber C. Glass d. Carbon e. Wood

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 18P: The current supplied by a battery in a portable device is typically 0.15 A. Find the number of...

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Concept explainers

Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.

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