A switch turns electric current on and off Electromagnetism - Electricity flowing in a coil makes a magnet These principles are then used as the basis for a new and useful invention: the electric motor.
(A switch; turns; electric current) (Electromagnetism - Electricity; flowing; L:in a coil) (Electromagnetism - Electricity flowing in a coil; makes; a magnet These principles are then used as the basis for a new and useful invention: the electric motor) (These principles; are used; as the basis for a new and useful invention; T:then)
A switch Electromagnetism - Electricity Electromagnetism - Electricity flowing in a coil These principles
turns flowing makes are used
electric current
L:in a coil
a magnet These principles are then used as the basis for a new and useful invention: the electric motor
as the basis for a new and useful invention T:then