Assertion: motor's rotor | /r/CapableOf | rotate by 180°
Facets:
Source sentences:
text: However, each time the rotor rotates by 180° (a half-turn), the position of the north and south poles on the rotor are reversed.
text: Each time the rotor rotates by 180° the commutator reverses the direction of the electric current applied to a given winding, so the magnetic field creates a torque in one direction.