ELECTRICITY & MAGNETISM INSTRUMENTATION A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site voltmeter An instrument used to measure the voltage between two points in an electric circuit. The voltage can be measured by allowing it to pass a current through a resistance. An important feature of a voltmeter is that it should disturb the circuit as little as possible; hence, it should draw a minimum of electric current needed to operate. See also ammeter. Related categories    • ELECTRICITY AND MAGNETISM    • INSTRUMENTATION Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP