Basic Science : Oscillators QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
1.The frequency of oscillations of a tuned base transistor oscillator is |
2.The frequency range of audio signal is from |
| 20 Hz to 2000 Hz |
| 20 kHz to 20 MHz |
| 20 Hz to 20 kHz |
| 20 Hz to 20000 kHz |
3.A feedback amplifier becomes an oscillator when |
| 1 – βA < 1 |
| 1 – βA = 0 |
| 1 – βA > 1 |
| A’ = A/1 – βA |
4.In radio broadcasting, an antenna is used for |
| demodulation |
| transmission |
| detection |
| modulation |
5.An electronic oscillator is a device which produces |
| modulated carrier waves |
| light waves |
| signal waves |
| carrier waves |
More Oscillators QUESTIONS AND ANSWERS available in next pages
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