Transistor Audio Power Amplifiers Set 1

Push-pull amplifier ✘ Preamplifier ✘ Class A power amplifier ✘ None of the above ✔

Transformer ✘ RC ✘ direct ✘ Impedance ✔

20 W ✘ 40 W ✘ 10 W ✘ 80 W ✔

0% ✘ 0% ✘ 0% ✘ 0% ✔

Gives distorted output ✘ Gives low power output ✘ Requires a transformer ✘ None of the above ✔

At cut off point ✘ At the middle ✘ At saturation point ✘ None of the above ✔

1:1 ratio ✘ Step-up ✘ Step-down ✘ None of the above ✔

Either power or voltage ✘ Only power ✘ Only voltage ✘ None of the above ✔

Dual ✘ Push-pull ✘ Symmetrical ✘ Differential ✔

Symmetrical ✘ Single-ended ✘ Reciprocating ✘ Differential ✔