Relative Permeability in Magnetic Circuit Formulas

Relative Permeability is the ratio of effective permeability of a particular fluid at a particular saturation to absolute permeability of that fluid at total saturation. And is denoted by μ_r. Relative Permeability is usually measured using the Henry per Meter for Magnetic Permeability. Note that the value of Relative Permeability is always negative.

Magnetic Circuit formulas that make use of Relative Permeability

fxMagnetic PotentialGo

fxMutual InductanceGo

fxFlux Density in Toroidal CoreGo

FAQ

What is the Relative Permeability?

Relative Permeability is the ratio of effective permeability of a particular fluid at a particular saturation to absolute permeability of that fluid at total saturation. Relative Permeability is usually measured using the Henry per Meter for Magnetic Permeability. Note that the value of Relative Permeability is always negative.

Can the Relative Permeability be negative?

Yes, the Relative Permeability, measured in Magnetic Permeability can be negative.

What unit is used to measure Relative Permeability?

Relative Permeability is usually measured using the Henry per Meter[H/m] for Magnetic Permeability. Henry per Centimeter[H/m], Henry per Kilometer[H/m] are the few other units in which Relative Permeability can be measured.

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