Assertion: light bulb's ballast | /r/CapableOf | regulate current flow
Facets:
value: in the lamp
type: LOCATION
Source sentences:
text: Electronic ballasts employ transistors to change the supply frequency into high-frequency AC while regulating the current flow in the lamp.
text: Strictly speaking, these are not "bulbs," but instead are highly specialized tubes in which the screw base contains a miniaturized ballast that regulates the current flow, just as they do in a standard fluorescent light fixture.