An electric current in a conductor varies with time according to the expression I(t) = 100 sin (120πt), where I is in amperes and t is in seconds. What is the total charge passing a given point in the conductor from t = 0 to t = (1)/(240) s?

An electric current in a conductor varies with time according to the expression I(t) = 100 sin (120πt), where I is in amperes and t is in seconds. What is the total charge passing a given point in the conductor from t = 0 to t = (1)/(240) s?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter1: Getting Started

Section: Chapter Questions

Problem 29PQ

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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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Flow of electric charges through a conductor.

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