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IEVref:801-22-02ID:
Language:enStatus: Standard
Term: bel
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Definition: unit of level of a quantity proportional to power when the base of the logarithm is ten. Also, the unit of level of a field quantity when the base of the logarithm is the square root of ten

NOTE – Examples of power-like quantities are sound power and sound energy. Examples of field quantities are sound pressure and voltage.


Publication date:1994-07
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