What is the coil? And what is the inductance coil? We answer about this aspect of the problem is actually to coil in circuit usually is the inductor, it actually isthe guide line an one root around, such wires are mutually insulated with each other, and the insulating tube can be hollow and can also contain iron ormagnetic powder core, so it is also referred to as inductance, usuallyinductance can also be divided into fixed and variable inductance inductancetwo.

For the fixed inductance coil is practically by wire a circle by a enclosurearound the insulating pipe, between each other is such conductors are mutually insulated, and the insulating tube usually is hollow, and together with the also contains the core or magnetic powder core, that this kind of productequipment is what we say the inductance or coil.

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