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Introduction to Coils
- Jul 27, 2017 -

The coil in the circuit refers to an inductor. is the guide line one root around, the wires are insulated with each other, and the insulating pipe can be hollow, can also contain iron core or magnetic powder core, abbreviated inductance.

Inductance can be divided into fixed inductance and variable inductance, fixed inductance coil referred to as inductance or coil. Expressed in L, the Unit has Henry (h), Henry (MH), Micro Henry (UH), 1h=10^3mh=10^6uh.