Strength of earths field
At what distance from a long, straight wire carrying a current of 4.1 A is the magnetic field due to the wire equal to the strength of Earth's field, approximately 5.2 × 10-5 T? The permeabilty of free space is 1.25664 × 10-6 T · m/A.
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At what distance from a long, straight wire carrying a current of 4.1 A is the magnetic field due to the wire equal to the strength of Earth's field, approximately 5.2 × 10-5 T? The permeabilty of free space is 1.25664 × 10-6 T ·
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