Use a larger diameter wire. This decreases the ac
and dc resistance of the windings.
2. Spread the windings apart. Air has a lower dielectric
constant than most insulators. Thus, an air gap between
the windings decreases the interwinding
capacitance.
3. Increase the permeability of the flux linkage path.
This is most often done by winding the inductor
around a magnetic-core material, such as iron or ferrite. A coil made in this manner will also consist
of fewer turns for a given inductance. This will
be discussed in a later section of this chapter.
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