Four long wires are parallel to each other, their cross section forming a square 20 cm on edge, as shown in Figure 1 below. A 20 amp current is set up in each wire. What is the force per meter represents current flowing represents current flowing through wire in the acting on the lower left wire, in magnitude and direction? through wire in the direction out of the paper, direction into the paper. a a a Figure. 1

Glencoe Physics: Principles and Problems, Student Edition
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Author:Paul W. Zitzewitz
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Chapter26: Electromagnetism
Section: Chapter Questions
Problem 56A
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3.
Four long wires are parallel to each other, their cross section forming a square 20 cm on edge,
as shown in Figure 1 below. A 20 amp current is set up in each wire. What is the force per meter
acting on the lower left wire, in magnitude and direction?
represents current flowing
through wire in the direction out of the paper,
direction into the paper.
represents current flowing through wire in the
a
a
a
Figure. 1
Transcribed Image Text:3. Four long wires are parallel to each other, their cross section forming a square 20 cm on edge, as shown in Figure 1 below. A 20 amp current is set up in each wire. What is the force per meter acting on the lower left wire, in magnitude and direction? represents current flowing through wire in the direction out of the paper, direction into the paper. represents current flowing through wire in the a a a Figure. 1
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