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9) A closed-line integral of magnetic field B around the loop shown in figure below gives a value
of 1.46 x 10-5 Tm. Determine the current Iz (magnitude and direction). (I = 2.2 mA, I3 = 1.2
mA, I4 = 4.5 mA, Is = 0.5 mA)
Is
I,
I,

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