In Fig. 29-75, a conductor carries 6.0 A along the closed path abcdefgha running along 8 of the 12 edges of a cube of edge length 10 cm. (a) Taking the path to be a combination of three square current loops (bcfgb ., abgha, and cdefc), find the net magnetic moment  of the path in unit-vector notation. (b) What is the magnitude of the net magnetic field at the xyz coordinates of (0, 5.0 m, 0)?
Fig.296-75
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