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


✔ View Answer


A.D.C, A.C.

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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


✔ View Answer


C.Both (a) and (b)

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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


✔ View Answer


D.None of the above

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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


✔ View Answer


C.Constant frequency of oscillations

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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


✔ View Answer


A.Wein bridge

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