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[" An amplifier has a voltage gain "A(V)...

[" An amplifier has a voltage gain "A_(V)=1000" .The "],[" voltage gain in dB is :- "],[[" (1) "30dB," (2) "60dB],[" (3) "3dB," (4) "20dB]],[" A light emitting diode (LED) has a voltage drop "]

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