Wenton L. Davis
An inductor is a coil of wire around some core. Inductance, L (measured in Henries, H), is the measure of a magnetic field created by a current flowing through a coil of wire. The properties of an inductor include:
|µ||Permeability||The permeability is how much the core will allow lines of flux to compress inside of it. It is measured in Henries per meter (H/m). When researching permeability, some tables will show µ while other tables will show µr, which is the "relative permeability." The relative permeability is relative to the permeability of a vacuum, µo=4πx10-7=1.2566x10-6.|
|N||Number of turns||The number of turns of wire around the core.|
|A||Cross-sectional area||The area of the core as a cross-section, measured in square meters, m2|
|l||Length of the coil||The length of the coil, measured in meters, m.
Interesting question: what happens when the length of the coils of wire is significantly less than the length of the core?
Design your inductor based on physical parameters:
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