Physics for IGCSE & O level - Magnets And Currents (Section 7 - No. 8)
What is the cause of the turning effect in an electric motor?
The interaction between the coil and a magnetic field.
The movement of the coil in a static field.
The current passing through the coil.
The rotation of the magnet.
Vysvětlení
It's the interaction of the current-carrying coil and the magnetic field which causes the turning.