What is the magnitude of the torque on the current loop? (L=1.42 cm, a=2.99 mm, I1=1.6...
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.)
Homework Answers
torque on a loop(any) is
M bar cross B bar
where M is iA
i =current
A=area of the loop
Distance of wires
d = sqrt(1.42^2 + 0.0996^2) = 1.423 cm
F = muo*I1*I2 / (2*pi*d)
= (4*pi*10^-7*1.6*0.12)/(2*pi*0.01423)
= 2.698*10^-5 N
T = F*a/2
= 2.698*10^-5 * 1.495*10^-3 / 2
= 2.016*10^-8 Nm
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