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A high power line carries a current of 100 A. The line is suspended 15 m above the ground. What is the magnetic field at

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A high power line carries a current of 100 A. The line is suspended 15 m above the ground. What is the magnetic field at the ground due to the current in the wire? Number Tesla. How close to the power line do you have to get before the magnitude of the field due to the current is the same as the magetic field of the earth (B=50 MT) Number m

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