Assertion: commutator | /r/CapableOf | select the coil
Facets:
value: always
type: TEMPORAL
value: "forward"
type: MANNER
value: through the magnetic field
type: MANNER
Source sentences:
text: A commutator is part of the rotor and it is a multi position switch that always selects the coil that is moving "forward" through the magnetic field, ie it always switches to the coil that is generating the positive phase of its cycle.