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A: magnetic flux (phi) =3.50 Wb area= 3 m2
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A: Given that:- Current flowing in the long wire=34.1A
Four long, parallel power lines each carry 100 A currents. A
cross-sectional diagram of these lines is a square, 20.0 cm on each side.
For each of the three cases shown in Fig., calculate the magnetic
field at the center of the square.
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