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Decibel is no real unit, it is a pseudo unit.
The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity.
A change in voltage ratio by a factor of two is approximately a 6 dB change.
A change in power ratio by a factor of two is approximately a 3dB change.
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Synonyms for the word decibel?
A tenth of a bel. It's a ratio of two values of the same unit.
What is one tenth of a bel?
A unit of power or intensity equal to one tenth of a bel is a decibel.
Is Decibel is the unit of power ratio?
It can be the power ratio. If you measure voltage or sound pressure it is not the power ratio.
What does the unit decibel measure?
The ratio between two quantities, usually quantities that somehow measure power, or intensity (power / area).
What is the Unit of sound?
1.The unit of sound is bel 2.watts is the loudness/power.3.Often mentioned as decibel ( 1/10 th of bel) depending on which quality of sound you are measuring
