Assertion: inductor's core | /r/HasProperty | air
Facets:
value: basically
type: DEGREE
Source sentences:
text: A core (air, ferromagnteic materials, ferrimagnetic materials)
text: This core might be air or magnetic.
text: The simplest core is basically nothing, or air.
text: This core might be a metal such as iron that can be easily magnetised; or in high frequency inductors, it will more likely to be just air.
text: This core might be magnetic or air.