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Physics ratio
Answer for the clue "Physics ratio ", 5 letters:
neper
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Word definitions for neper in dictionaries
Wikipedia
Word definitions in Wikipedia
The neper (unit symbol Np ) is a logarithmic unit for ratios of measurements of physical field and power quantities, such as gain and loss of electronic signals. The unit's name is derived from the name of John Napier , the inventor of logarithms. As is ...
Wiktionary
Word definitions in Wiktionary
n. A unit of attenuation used in transmission line theory; equivalent to 8.686 dB.