You want to get an idea of the magnitude of magnetic fieldsproduced by overhead power lines. You estimate that atransmission wire is about 13 m above the ground. The localpower company tells you that the lines operate at 240 kV andprovide a maximum power of 46 MW. Estimate the magneticfield you might experience walking under one such powerline, and compare to the Earth’s field.
You want to get an idea of the magnitude of magnetic fieldsproduced by overhead power lines. You estimate that atransmission wire is about 13 m above the ground. The localpower company tells you that the lines operate at 240 kV andprovide a maximum power of 46 MW. Estimate the magneticfield you might experience walking under one such powerline, and compare to the Earth’s field.
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You want to get an idea of the magnitude of magnetic fields
produced by overhead power lines. You estimate that a
transmission wire is about 13 m above the ground. The local
power company tells you that the lines operate at 240 kV and
provide a maximum power of 46 MW. Estimate the magnetic
field you might experience walking under one such power
line, and compare to the Earth’s field.
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