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An amplifier has a voltage gain, $A_{v}$ = 1000. The voltage gain in dB is

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Correct option is D

Voltage gain, Av=1000In dB, voltage gain,A=10 log10 1000 dB =10×3log1010 dB =30 ∵log10 10=1

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An amplifier has a voltage gain, Av = 1000. The voltage gain in dB is

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An amplifier has a voltage gain, $A_{v}$ = 1000. The voltage gain in dB is