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What is the symbol of a decibel?(a) dB(b) Db(c) DB(d) dbThis question was posed to me in homework.I want to ask this question from The Decibel in division Low Frequency Transistor Amplifier Circuit of Electronic Devices & Circuits

Answer»

The correct answer is (a) DB

Easiest EXPLANATION: The decibel is a comparative UNIT of measurement equivalent to ONE tenth (deci) of a Bel unit. A Bel unit is expressed as B and hence the decibel is subsequently expressed by the SYMBOL dB. They are a unit of a logarithmic scale to measure power or intensity levels.



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