Two long parallel wires carry unequal currents in the same direction. The ratio of the currents is 3 to 1. The magnitude of the magnetic field at a point in the plane of the wires and 10 cm from each wire is 4.0 mT. What is the larger of the two currents? a. 3.8 A b. 3.0 A c. 5.3 A d. 0.5 A e. 4.5 A
Two long parallel wires carry unequal currents in the same direction. The ratio of the currents is 3 to 1. The magnitude of the magnetic field at a point in the plane of the wires and 10 cm from each wire is 4.0 mT. What is the larger of the two currents? a. 3.8 A b. 3.0 A c. 5.3 A d. 0.5 A e. 4.5 A
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter22: Magnetism
Section: Chapter Questions
Problem 39PE: (a) What is the angle between a wire carrying an 8.00-A current and the 1.20-T field it is in if...
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Two long parallel wires carry unequal currents in the same direction. The ratio of the currents is 3 to 1. The magnitude of the magnetic field at a point in the plane of the wires and 10 cm from each wire is 4.0 mT. What is the larger of the two currents?
a.
3.8 A
b.
3.0 A
c.
5.3 A
d.
0.5 A
e.
4.5 A
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