Question

what is value and unit of permeablity of vaccum?​

Answer 1

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HERE IS YOUR ANSWER...

The permeability of freespace (a vacuum ) is a physical constant equal to approximately 1.257 x 10-6 henry per meter . ...Permeability in general is symbolized µ, and is aconstant of proportionality that exists betweenmagnetic flux density and magnetic field strength in a given medium.

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Answer 2

The permeability of free space (a vacuum ) is a physical constant equal to approximately 1.257 x 10 -6 henry per meter . ... Permeability in general is symbolized µ, and is a constant of proportionality that exists between magnetic flux density and magnetic field strength in a given medium.

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