Assertion: motor's stator | /r/HasProperty | supplied
Facets:
value: from an external source
type: OTHER
value: in universal motors
type: OTHER
Source sentences:
text: In universal motors the stator and rotor of a brushed DC motor are both wound and supplied from an external source, with the torque being a function of the rotor current times the stator current so reversing the current in both rotor and stator does not reverse the rotation.