Question: Three parallel wires carry the same current in the same direction and are in the same uniform magnetic field. Wire 1 consists of moving electrons,

Three parallel wires carry the same current in the same direction and are in the same uniform magnetic field. Wire 1 consists of moving electrons, wire 2 consists of moving protons, and wire 3 consists of both electrons and protons, moving in opposite directions. Which of the following is true?
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The magnetic forces on wires 1 and 3 are in the same direction, and the magnetic force on wire 2 is in the opposite direction.
The magnetic forces on wires 2 and 3 are in the same direction, and the magnetic force on wire 1 is in the opposite direction.
The magnetic forces on wires 1 and 2 are in the same direction, and the magnetic force on wire 3 is in the opposite direction.
The magnetic forces on the three wires are all in the same direction.
No two magnetic forces are in the same direction.

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