Part of a single rectangular loop of wire with dimensions shown in the (Figure 1) is...
Part of a single rectangular loop of wire with dimensions shown in the (Figure 1) is situated inside a region of uniform magnetic field of 0.740 T . The total resistance of the loop is 0.780 Ω .
Calculate the force required to pull the loop from the field (to the right) at a constant velocity of 5.20 m/s . Neglect gravity.
Homework Answers
SOLUTION :
flux = B*A = B*dx*y
emf = rate of change in flux
emf = (d/dt)*B*y*dx
emf = B*y*(dx/dt)
emf = B*y*v
current = I = e/R
force = F = I*y*B
F = B*y*v*y*B/R
F = (0.74 * 0.35 * 5.2 * 0.35 * 0.74)/0.78
F = 0.447 N
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