At a site where the Earth's magnetic field has a magnitude of 0.60 gauss (where 1 gauss = 1.00 x 10-4 T) and points to the north, 68° below the horizontal, a high-voltage power line 184 m in length carries a current of 120 A. Determine the magnitude and direction of the magnetic force exerted on this wire, if the orientation of the wire and hence the current is as follows.
(a) Horizontal toward the south.
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At a site where the Earth's magnetic field has a magnitude of 0.60 gauss (where 1 gauss = 1.00 x 10-...
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