Assertion: variable inductor | /r/CreatedBy | providing a way
Facets:
value: usually
type: DEGREE
value: by varying the core material
type: MANNER
Source sentences:
text: Variable inductors are usually made by providing a way to vary the number of wire turns in use at any given time, or by varying the core material (a sliding core that can be moved in and out of the coil).
text: Variable inductors are usually made by providing a way to vary the number of wire turns in use at any given time, or by varying the core material (a sliding core that can be moved in and out of the coil).