What is permeability and its unit
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In electromagnetism, permeability is the measure of the ability of a material to support the formation of a magnetic field within itself. 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.
In SI units, permeability is measured inhenries per meter (H/m or H·m−1), or newtonsper ampere squared (N·A−2). The permeability constant (µ0), also known as the magnetic constant or the permeability of free space, is a measure of the amount of resistance encountered when forming a magnetic field in a classical vacuum. The magnetic constant has the exact (defined)[1] value (µ0 = 4π × 10−7H·m−1 ≈ 1.2566370614…×10−6 H·m−1 or N·A−2).
In SI units, permeability is measured inhenries per meter (H/m or H·m−1), or newtonsper ampere squared (N·A−2). The permeability constant (µ0), also known as the magnetic constant or the permeability of free space, is a measure of the amount of resistance encountered when forming a magnetic field in a classical vacuum. The magnetic constant has the exact (defined)[1] value (µ0 = 4π × 10−7H·m−1 ≈ 1.2566370614…×10−6 H·m−1 or N·A−2).
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