Multistage Transistor Amplifiers » Exercise - 12. If two stages of a cascaded amplifier have decibel gains of 60 and 30, then overall gain is ..................... dB. (a) 90 (b) 1800 (c) 2 (d) 0.5
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Multistage Transistor Amplifiers » Exercise - 110. A Darlington pair and an emitter follower have the same : (a) input impedance (b) current gain (c) voltage gain (d) power gain
Amplifiers » Exercise - 119. When negative voltage feedback is applied to an amplifier, its voltage gain ............ (a) is increased (b) is reduced (c) remains the same (d) none of the above
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