Assertion: halide lamp | /r/CapableOf | regulate current flow
Facets:
value: through the lamp
type: TRANSITIVE-OBJECT
Source sentences:
text: Like all other gas-discharge lamps, metal-halide lamps have negative resistance (with the rare exception of self-ballasted lamps with a filament), and so require a ballast to provide proper starting and operating voltages while regulating the current flow through the lamp.