Right hand rule #1 (conductors)
Thumb of right hand points in direction of conventional current flow, fingers point in direction of circular magnetic field around conductor.
Right-hand rule #2 (coil)
Curled fingers of right hand point in direction of conventional current flow, thumb points in direction of magnetic field around conductor.
http://outpost1.stellimare.com/scouting/mb/electricity/electromagnet.html
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