Four long parallel wires each carry 10.0 A of current in the direction shown. The wires are at the corners of a square that is 10.0 cm on a side. What is the magnetic field at the center of the four wires?
B. 1.13 x 10-4 T
C. 5.66 x 10-5 T
D. 8.00 x 10-5 T
E. 2.00 x 10-5 T
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Based on our data, we think this problem is relevant for Professor Schwitters' class at TEXAS.