A current of 17 μA passes through a wire. a) Express the charge Q passing through the wire in terms of the current I and the time interval Δt. b) In a time interval of Δt = 61 s, how much charge has passed through the wire in μC?

A current of 17 μA passes through a wire. a) Express the charge Q passing through the wire in terms of the current I and the time interval Δt. b) In a time interval of Δt = 61 s, how much charge has passed through the wire in μC?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 24P: A conductor carries a current that is decreasing exponentially with time. The current is modeled as...

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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.

Question

A current of 17 μA passes through a wire.

a) Express the charge Q passing through the wire in terms of the current I and the time interval Δt.

b) In a time interval of Δt = 61 s, how much charge has passed through the wire in μC?

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