Oscillator Multiple Choice Questions And Answers

11. An oscillator converts .... power into .......... power of any desired frequency

   A.D.C, A.C.

   B.A.C, D.C.

   C.Either of the above

   D.None of the above

12. In order to sustain oscillations in an oscillator

   A.Phase should be 0⁰

   B.Feedback factor should be unity

   C.Both (a) and (b)

   D.Feedback should be negative

13. A "Best Frequency" oscillator consists of

   A.A tube and RC network

   B.A low Q inductor

   C.A high Q inductor

   D.Two oscillators, with slightly different oscillating frequencies

   E.None of the above

14. Which of the following is the main advantage of using oscillators?

   A.High frequency

   B.High output voltage

   C.Constant frequency of oscillations

   D.Suitability for low voltages

15. The oscillator that is mostly used for generating audio frequency signals is

   A.Wein bridge

   B.Tuned base

   C.Tuned collector

   D.RC phase shift

< 1 2 3 4 5 6 7 8 9 10 Next