Assertion: anode's voltage | /r/HasProperty | applied to electrode
Facets:
value: to start the current
type: PURPOSE
value: in some fluorescent tubes
type: LOCATION
Source sentences:
text: For example, in some fluorescent tubes a momentary high voltage is applied to the electrodes to start the current through the tube; after starting the electrodes are heated enough by the current to keep emitting electrons to sustain the discharge.