Two infinitely long parallel wires are at a distance of 5.0 cm apart. If the wires carry a current of 7.7A, what is the exchanged force per meter between the wires ( in units of µN )? Select one: A. 237.2 B. 278.7 C. 308.3 D. 189.7 E. 136.4

Two infinitely long parallel wires are at a distance of 5.0 cm apart. If the wires carry a current of 7.7A, what is the exchanged force per meter between the wires ( in units of µN )? Select one: A. 237.2 B. 278.7 C. 308.3 D. 189.7 E. 136.4

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 32P: Two long, parallel wires are hung by cords of length 5.0 cm, as shown in the accompanying figure....

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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

Two infinitely long parallel wires are at
a distance of 5.0 cm apart. If the wires
carry a current of 7.7A, what is the
exchanged force per meter between
the wires ( in units of µN )?
Select one:
O A. 237.2
B. 278.7
С. 308.3
D. 189.7
O E. 136.4

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