Choking coil. Elec. A coil of small resistance and large inductance, used in an alternating-current circuit to impede or throttle the current, or to change its phase; -- called also reactance coil or reactor, these terms being now preferred in engineering usage.
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choking coil
n : a coil of low resistance and high inductance used in
electrical circuits to pass direct current and attenuate
alternating current [syn: choke, choke coil]