Leumas Physics

Lorentz Force on a Conductor

F = B·I·L·sin(θ)

What it says

The force a magnetic field exerts on a current-carrying wire — the basis of every electric motor.

Symbols

SymbolQuantityDimension
FForce (N)M L T^-2
BMagnetic flux density (T)M T^-2 I^-1
ICurrent (A)I
LWire length (m)L
θAngle to the field (rad)1

Work it out

Enter what you know. No account needed.

Fill in all but one: B, I, L, θ, F are all empty.

Filed under Electromagnetism · derive through it in the explorer