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neper |
Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson | 0.03 sec. |
neperThe unit of measurement based on Napierian logarithms that represents the ratio between two values, such as current or voltage. neper [′nē·pər] (physics) Abbreviated Np. Also known as napier. A unit used for expressing the ratio of two currents, voltages, or analogous quantities; the number of nepers is the natural logarithm of this ratio. A unit used for expressing the ratio of two powers (even when this ratio is not the square of the corresponding current or voltage ratio); the number of nepers is the natural logarithm of the square root of this ratio; to avoid confusion, this usage should be accompanied by a specific statement. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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