Assertion: diameter coil | /r/CapableOf | increase to 3 r
Facets:
value: from coil radius r
type: OTHER
Source sentences:
text: James Clerk Maxwell showed in 1873 that a third larger-diameter coil located midway between the two Helmholtz coils with the coil distance increased from coil radius R {\displaystyle R} to 3 R {\displaystyle {