39. ★★ A copper loop in the shape of an equilateral tri- angle ABC (AB = AC = BC = a), carrying an electric current, I, is placed in a uniform magnetic field of magnitude B directed parallel to side AC of the tri- angle (Figure 24-66). (a) Find the magnitude of the magnetic force exerted on each side of the triangle. (b) Find the net magnetic force exerted on this triangle by the magnetic field. (c) Find the magnetic torque exerted on this triangle by this magnetic field. A TRA B B с F
39. ★★ A copper loop in the shape of an equilateral tri- angle ABC (AB = AC = BC = a), carrying an electric current, I, is placed in a uniform magnetic field of magnitude B directed parallel to side AC of the tri- angle (Figure 24-66). (a) Find the magnitude of the magnetic force exerted on each side of the triangle. (b) Find the net magnetic force exerted on this triangle by the magnetic field. (c) Find the magnetic torque exerted on this triangle by this magnetic field. A TRA B B с F
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Transcribed Image Text:39. A copper loop in the shape of an equilateral tri-
angle ABC (AB = AC = BC = a), carrying an electric
current, I, is placed in a uniform magnetic field of
magnitude B directed parallel to side AC of the tri-
angle (Figure 24-66).
(a) Find the magnitude of the magnetic force exerted
on each side of the triangle.
(b)
Find the net magnetic force exerted on this triangle
by the magnetic field.
(c)
Find the magnetic torque exerted on this triangle
by this magnetic field.
A
TRA
B
I
B
с
F
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