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Although the evidence is weak there has been concern in

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Although the evidence is weak, there has been concern in recent years over possible health effects from the magnetic fields generated by transmission lines. A typical high-voltage transmission line is 20 m off the ground and carries a current of 200 A.

Estimate the magnetic field strength on the ground underneath such a line.

What percentage of the earth's magnetic field does this represent?

Reference no: EM13583864

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