Assertion: motor | /r/HasProperty | difficult to turn
Facets:
Source sentences:
text: Ideally you’ll know the voltage from the manufacturer, but if not, get a variable DC power supply, apply the minimum voltage that the supply can generate voltage across two wires of a coil (e.g. 1 to 2 or 3 to 4) and slowly raise the voltage until the motor is difficult to turn.