plural of choking coil

plural of mortal coil

plural of tickler coil

plural of voice coil

An electrical device for measuring alternating current (AC) or high-speed current pulses. It consists of a helical coil of wire with the lead from one end returning through the centre of the coil to the other end, so that both terminals are at the same end of the coil. The whole assembly is then wrapped around the straight conductor whose current is to be measured.

plural of Rogowski coil

Synonym of choking coil

plural of inductance coil

plural of Tesla coil

An induction coil used for producing sparks, as in an internal combustion engine. / A self-induction coil used to increase the spark in an electric gas-lighting apparatus.