01 A coil of small resistance and large inductance, used in an alternating-current circuit to impede or throttle the current, or to change its…
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1.
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.(Elec.) Also: reactance coil, reactor