Question: A long, straight, horizontal wire carries a left - to - right current of 2 0 A . If the wire is placed in a

A long, straight, horizontal wire carries a left-to-right current of
20 A . If the wire is placed in a uniform
magnetic field of magnitude 4.0 xx10^(-5)T that is directed vertically downward, what is the resultant
magnitude of the magnetic field 20 cm above the wire? 20 cm below the wire?
A long, straight, horizontal wire carries a left

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