Two-Terminal Network

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Two-Terminal Network

 

an electrical circuit with two terminals. Two-terminal networks are divided into active networks, which contain a source of electromotive force (emf), and passive networks, which have no source of emf. An active two-terminal network is equivalent to a generator with an emf equal to the open-circuit voltage Uoc and a differential resistance Z = Uoc/Isc(Isc is the short-circuit current). A passive two-terminal network, which is only a load element, is characterized by the following external resistance: for alternating current, Zω = Uω/Iω, where ω = 2πf (f is the frequency of the alternating current in hertz); for direct current, r =U/I . A two-terminal network is a special case of a network.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.