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UUID | 8fad6705-0aed-11e3-8615-bc764e049c3d |
The physical constant commonly called the vacuum permeability, permeability of free space, or magnetic constant is an ideal, (baseline) physical constant, which is the value of magnetic permeability in a classical vacuum.
12.566370614 x 10-7Hm or NA2
This constant is specified exactly.
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