About: http://webisa.webdatacommons.org/151460331

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	As there is no direct way to assess the voltage, voltmeters are designed as special sort of ammeter which can calculate the voltage by assessing the electrical current and applying Ohm's law.[1]
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org