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The unit decibel is a way of expressing the hearing response of the human ear.(a) True(b) FalseThe question was posed to me in a national level competition.This intriguing question originated from Gain, Attenuation & Decibels in portion Fundamentals of Electronics of Avionics

Answer»

Correct choice is (a) True

The explanation: The gain or loss of a circuit is USUALLY EXPRESSED in decibels (dB), a unit of measurement that was ORIGINALLY created as a way of EXPRESSING the hearing response of the HUMAN ear to various sound levels. A decibel is one-tenth of a bel.



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