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abstraction > mathematical concept > number > constant > fundamental physical constant > universal constant > magnetic constant |
magnetic constant comparison table |
Subject | is an instance of | has uncertainty | is a kind of | has symbol | has value |
---|---|---|---|---|---|
universal constant | fundamental physical constant | changes in value are due solely to an increase in measurement accuracy or convention | |||
magnetic constant | universal constant | 0 | μ0 | 4π × 10-7 = 12.566 370 614 × 10-7 N A-2 |
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