About: http://webisa.webdatacommons.org/4557339

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	By selecting a certain value for the feedback resistor RF, e.g., one ohm, the lamp current can be regulated to a predetermined level, such as about 230 milliamps, without regard to the voltage drop across the lamp.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es