In the figure, a long, straight copper wire (diameter 2.58 mm and resistance 1.14 2 per 320 m) carries a uniform current of 24.0 A in the positive x direction. For point Pon the wire's surface, calculate the magnitudes of (a) the electric field E ,(b) the magnetic field B , and (c) the Poynting vector Ś , and (d) determine the direction of S .
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