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Single Stage Transistor Amplifiers MCQs
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Single Stage Transistor Amplifiers MCQs
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25 Questions

1. In order to get more voltage gain from a transistor amplifier, the transistor used should have ..............
2. For highest power gain, one would use ................. configuration
3. In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ...........
4. The point of intersection of d.c.  and a.c. load lines is called .................
5. In practice, the voltage gain of an amplifier is expressed .................
6. The purpose of capacitors in a transistor amplifier is to ..................
7. A single stage transistor amplifier with no load sees an a.c. load of ........
8. The purpose of emitter capacitor (i.e. capacitor across RE) is to ..........
9. When a transistor amplifier is operating, the current in any branch is ...............
10. A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ..........
11. The input capacitor in an amplifier is the .................... capacitor
12. In a CE amplifier, the phase difference between voltage across collector load RC and signal voltage is ...........
13. If the input capacitor of a transistor amplifier is short-circuited, then.........
14. In the a.c. equivalent circuit of a transistor amplifier, the capacitors are considered .............
15. In the zero signal conditions, a transistor sees .................... load
16. The radio wave picked up by the receiving antenna is amplified about ........ times to have reasonable sound output
17. In transistor amplifiers, we generally use .............. capacitors.
18.  A transistor amplifier has high output impedance because ...........
19. The ratio of output impedance of a CE amplifier is ...............
20. The purpose of d.c. conditions in a transistor is to ..............
21. An amplifier has a power gain of 100. Its db gain is ...............
22. If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is .........
23. It is generally desired that a transistor should have ................. input impedance
24. When an a.c. signal is applied to an amplifier, ,the operating point moves along ................
25. If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ...........

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