CBSE Class 10 Answered
what is the value of permeability of free space?
Asked by sthavishtha | 30 Sep, 2010, 03:07: PM
Expert Answer
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, and this type of vacuum is merely an abstraction from nature.
When the permeability is that of the vacuum, denoted µ0 has an exact defined value:
- µ0 = 4π×10−7 V·s/(A·m) ≈ 1.2566370614...×10−6 H·m−1 or N·A−2;
in the SI system of units, or using tesla·meter per ampere (T·m/A).
Answered by | 30 Sep, 2010, 10:08: PM
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