Electricity & Magnetism
Intermediate

Force on a Current Wire

Force on a current-carrying conductor.

Formula

F=BILsin⁡θF = BIL\sin\theta

Variables

BField
ICurrent
LLength
\thetaAngle

Did You Know?

The sideways force on a current-carrying wire in a field is exactly what spins every electric motor.

magnetic forcewirecurrent