3
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What is permeability of free space ?
What is permeability of free space ?
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Solution
It is a constant of proportionality that exists between magnetic flux density and magnetic field strength of a medium. 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) value (µ0 = 4π × 10−7 H·m−1 ≈ 12.57 × 10−7.
It is a constant of proportionality that exists between magnetic flux density and magnetic field strength of a medium. 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) value (µ0 = 4π × 10−7 H·m−1 ≈ 12.57 × 10−7.
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