Answered: I1 3 V R = 42 I2 R2 = 30 R3 = 12 4 V

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I1 3 V R = 42 I2 R2 = 30 R3 = 12 4 V

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter26: Electromagnetism

Section: Chapter Questions

Problem 3STP

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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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Determine the currents I1, I2, and I3 for the electrical network shown in the figure.

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