A horizontal current-carrying wire that is perpendicular to the plane of the paper is placed in...

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A horizontal current-carrying wire that is perpendicular to the plane of the paper is placed in...

A horizontal current-carrying wire that is perpendicular to the plane of the paper is placed in a uniform magnetic field of magnitude 2.6 mT that is parallel to the plane of the paper and points down. At the distance 1.0 cm to the right of the wire, the total magnetic field is zero.

What is the magnitude of the current in the wire if the zero field point is 0.4 cm to the left of the wire?

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