Physics, 08.11.2019 22:31 karatekats1
Horizontal electric power lines supported by vertical poles can carry large currents. assume that earth’s magnetic field runs parallel to the surface of the ground from south to north with a magnitude of 0.50×10−4 t and that the supporting poles are 38 m apart. 1) find the magnitude of the force that earth’s magnetic field exerts on a 38-m segment of wire carrying 95 a if the current runs from north to south. (express your answer to two significant figures.)
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Horizontal electric power lines supported by vertical poles can carry large currents. assume that ea...
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