Three parallel wires, A, B and C, have length L and are separated by distance d as shown in FIGURE Q2b. Each wire carries current I flowing in the same direction. Wire A Wire B Wire C

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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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b.
Three parallel wires, A, B and C, have length L and are separated by
distance d as shown in FIGURE Q2b. Each wire carries current I flowing
in the same direction.
Wire A
Wire B Wire C
I
I
P
d
d
FIGURE Q2b
i.
Determine the direction of the forces acting on Wire B and Wire C
and the direction of the magnetic field acting at point P, where P is
located midway between Wire A and Wire B.
ii.
Explain the changes to the directions of the magnetic force and
magnetic field obtained in part (i) if the current flow in Wire B is
reversed in direction while maintaining its magnitude.
Transcribed Image Text:b. Three parallel wires, A, B and C, have length L and are separated by distance d as shown in FIGURE Q2b. Each wire carries current I flowing in the same direction. Wire A Wire B Wire C I I P d d FIGURE Q2b i. Determine the direction of the forces acting on Wire B and Wire C and the direction of the magnetic field acting at point P, where P is located midway between Wire A and Wire B. ii. Explain the changes to the directions of the magnetic force and magnetic field obtained in part (i) if the current flow in Wire B is reversed in direction while maintaining its magnitude.
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