PLEASE HELP EMERGENC Which of the following are true? Check all that apply.
Select one or more:

a.
If the two current-carrying wires are placed parallel to one another and the current is moving in opposite directions, the force between them will be attractive.

b.
A current-carrying wire produces a magnetic field around it that moves in a direction given by the right-hand rule for a current-carrying conductor.

c.
If the two current-carrying wires are placed parallel to one another and the current is moving in the same direction, the force between them will be attractive.

d.
If you place a current-carrying wire in a magnetic field, the wire will experience a magnetic force produced by that magnetic field.