The electromagnet is positioned between your poles of another magnet. When current from the voltage source flows Electromagnetic Motor china through the coil, a magnetic field is usually created around the electromagnet. The 
poles of the magnet interact with the poles of the electromagnet, leading to the motor to turn. … The more coils, the more powerful the motor.
When an electric current flows through a loop or coil of wire, positioned between your two poles of an electromagnet, the electromagnet exerts a magnetic force upon the wire and causes it to rotate. The rotation of the wire begins the electric motor. As the wire rotates, the electric current changes directions.