Basic Science : Oscillators QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
16.The total phase difference between input and output voltage is of Hartley oscillator is |
| 90° |
| 180° |
| 270° |
| 360° |
17.If A be the stage gain in an oscillator, then the feedback ratio β should be equal to |
| A |
| 1/A |
| A2 |
18.Radiation of electrical energy is possible only at frequencies above |
| 20 kHz |
| 200 Hz |
| 20 MHz |
| 200 kHz |
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