Question: A long straight wire lies on a horizontal table and carries a current of 1.20 A. In a vacuum, a proton moves parallel to the

A long straight wire lies on a horizontal table and carries a current of 1.20 μA. In a vacuum, a proton moves parallel to the wire (opposite the current) with a constant speed of 2.30 x 104 m/s at a distance d above the wire. Determine the value of d. You may ignore the magnetic field due to the Earth.

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