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What is the magnitude of the torque on the current loop? (L=1.42 cm, a=2.99 mm, I1=1.6 A, I2=0.12 A.)
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The term “torque” refers to the force that is responsible for turning the object along an axis. The location around where the object is turning is referred to as the “axis” of its rotation. It is expressed in Newton per meters. The term “torque” refers to the vector number.
torque is 8.08 * 10^-9
Distance between wires
d = sqrt (1.422 + 0.09962) = 1.4323 cm
F = muo*I1*I2 or (2*pi*d).
= (4*pi*10^-7*1.6*0.12)/(2*pi*0.01423)
= 2.698*10-5N
T = F*a/2
= 2.698*10^-5 * 1.495*10^-3 / 2
= 2.016*10-8 Nm
Any torque on a loop (any)
M bar – B bar
Where M is iA
i =current
A=area in the loop