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Transistor Tuned Amplifiers MCQs
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Transistor Tuned Amplifiers MCQs
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25 Questions

1. At series resonance, the net reactive component of circuit current is ...................
2. At series or parallel resonance, the circuit power factor is ..............
3. The Q of a tuned circuit refers to the property of ..............
4. In a parallel LC circuit, if the signal frequency is decreased below the resonant frequency, then ...............
5. For frequencies above the resonant frequency, a parallel LC circuit behaves as a ................ load
6. If Q of an LC circuit increases, then bandwidth .....................
7. At series resonance, the phase angle between applied voltage and circuit is ...........
8. The dimensions of L/CR are that of ................
9. For frequencies below the resonant frequency , a parallel  LC circuit behaves as a ............... load
10. At parallel resonance, the line current is ...................
11. The Q of a tuned amplifier is generally ................
12. In parallel resonance, the circuit impedance is ..............
13. A resonant circuit contains .................. elements
14. In the above question, what are the values of cut-off frequencies?
15. The Q of an LC circuit is given by ......................
16. At parallel resonance, the phase angle between the applied voltage and circuit current is ................
17. At parallel resonance, the net reactive component circuit current is ............
18. The Q of a tuned amplifier is 50. If the resonant frequency for the amplifier is 1000kHZ, then bandwidth is ............
19. In series resonance, there is ..................
20. At parallel resonance, the ratio L/C is ................
21. Frequencies above ............... kHz are called radio frequencies
22. Tuned class C amplifiers are used for RF signals of ..................
23. If L/C ratio of a parallel LC circuit is increased, the Q of the circuit .................
24. In parallel resonance, there is ............
25. Double tuned circuits are used in ................ stages of a radio receiver