Question

what is decibel........

Answer 1

Answer:

Decibel is a unit used to measure the intensity of a sound or the power level of an electrical signal by comparing it with a given level on a logarithmic scale.

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Answer 2

The decibel is a relative unit of measurement corresponding to one tenth of a bel. It is used to express the ratio of one value of a power or field quantity to another, on a logarithmic scale, the logarithmic quantity being called the power level or field level, respectively