Answered: (FRL 10. F. 12 a a b Figure 29.9…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Two infinitely long, parallel wires are lying on the ground a distance a = 1.00 cm apart as shown 29.9a. A third wire, of length L = 10.0 m and mass 400 g, carries a current of I₁ = 100 A and is levitated above the first two wires, at a horizontal position midway between them. The infinitely long wires carry equal currents I₂ in the same direction, but in the direction opposite that in the levitated wire. What current must the infinitely long wires carry so that the three wires form an equilateral triangle?

(FRL
10.
F.
12
a
a
b
Figure 29.9 (Example 29.4) (a) Two current-carrying wires lie
on the ground and suspend a third wire in the air by magnetic
forces. (b) End view. In the situation described in the example,
the three wires form an equilateral triangle. The two magnetic
forces on the levitated wire are Fa1, the force due to the left-
hand lower wire, and F,
gravitational force F, on the levitated wire is also shown.
B,L'
the force due to the right-hand wire. The
B,R

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