Assertion: electrode | /r/CapableOf | emit electron
Facets:
value: in a vacuum tube
type: LOCATION
value: into the evacuated tube
type: TRANSITIVE-OBJECT
value: similarly
type: DEGREE
Source sentences:
text: Similarly, in a vacuum tube only one electrode can emit electrons into the evacuated tube due to being heated by a filament, so electrons can only enter the device from the external circuit through the heated electrode.