Physics, 21.03.2020 11:46 jonquil201
Currents in dc transmission lines can be 100 A or more. Some people have expressed concern that the electromagnetic fields (EMFs) from such lines near their homes could cause health dangers.
Part A
For a line with current 180 A and at a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? Express your answer in teslas.
B=T
Part B
What magnetic field does the line produce at ground level as a percent of the earth's magnetic field, which is 0.50 gauss.
B/Be=%
Answers: 1
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