Question

Explain permeability

Answer 1

Property of a material that lets fluids (such as water or water vapor) to diffuse through it to another medium without being chemically or physically affected. Opposite of permeance.

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Answer 2

In electromagnetism, permeability is the measure of the ability of a material to support the formation of a magnetic field within itself otherwise known as distributed inductance in Transmission Line Theory. Hence, it is the degree of magnetization that a material obtains in response to an applied magnetic field. Magnetic permeability is typically represented by the (italicized) Greek letter µ. The term was coined in September 1885 by Oliver Heaviside. The reciprocal of magnetic permeability is magnetic reluctivity.