3.7×1020 electrons are flowing past any point in a wire per minute (electron charge = -1.6×10-1⁹ C). (a) How much electric current is flowing through the wire? (b) How many protons are flowing through the wire?.

3.7×1020 electrons are flowing past any point in a wire per minute (electron charge = -1.6×10-1⁹ C). (a) How much electric current is flowing through the wire? (b) How many protons are flowing through the wire?.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 17P

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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

Fast .

3.7×1020 electrons are flowing past any point in
a wire per minute (electron charge =
-1.6×10-1⁹ C).
(a) How much electric current is flowing through
the wire?
(b) How many protons are flowing through the
wire?.

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