open-circuitv.
/ˌəʊp(ə)nˈsəːkɪt/, U.S. /ˌoʊp(ə)nˈsərkət/ transitive. To establish an open circuit in (an electrical system); to break (an electric circuit).
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > circuit > connect [verb (transitive)] > create open circuit
open-circuit1962
1962 J. P. Gregory in G. A. T. Burdett Automatic Control Handbk. ii. 7 The timing of the relay is brought about by delaying the decay of the flux in its magnetic circuit after switching off the supply to the coil, either by short-circuiting or open circuiting it.
1989 A. C. Davies Sci. & Pract. Welding (ed. 9) I. iv. 216 The curves..are taken from an oscillograph of the current and voltage variation on a welding power source when the external circuit was being short-circuited..and then open-circuited again.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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