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Refer to the figure below. A toroid consists of a ring having an inner radius a = 2cm and outer radius b=4cm. The cross-section of the ring is a rectangle having a height of h=5cm. Determine the magnetic flux. Assume that the toroid has current
I=3μA having N=200 turns and relative permeability of μ 1.
Z
b
y
Op=2.08 pWb
O None of the choices
Op=75 pWb
Od 4.16 pWb

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