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The role of copper coils in electrical appliances

Inductor: A component that can convert electrical energy into magnetic energy. The structure of the inductor is similar to that of a transformer, but there is only one winding. The inductor has an inductance that only blocks the change of current. If the inductor does not pass current. In the state, when the circuit is turned on, it will try to block the current from flowing through it; if the inductor is in the state of passing current, it will try to maintain the current when the circuit is disconnected. The inductor is also called choke, reactor, Dynamic reactor.

Inductance: Inductance is a property of a closed loop. When the current through the closed loop changes, an electromotive force will appear to resist the change of current. This inductance is called self-inductance and is the property of the closed loop itself, assuming a closed loop. The current changes, and the electromotive force is generated by another inductive action in another closed loop. This inductance is called mutual inductance.