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Related to primary coil: secondary coil, secondary winding
A coil to which the input voltage is applied in an inductively coupled circuit, especially a transformer.
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|Noun||1.||primary coil - coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit; "current through the primary coil induces current in the secondary coil"|
coil - reactor consisting of a spiral of insulated wire that introduces inductance into a circuit
transformer - an electrical device by which alternating current of one voltage is changed to another voltage