Oscillator Multiple Choice Questions And Answers

16. Which of the following circuits constitute an oscillator?

   A.Bistable multivibrator

   B.Astable multivibrator

   C.Schmitt trigger

   D.Monostable multivibrator

17. The oscillator circuit with only D.C power source can be produce

   A.Sinusoidal wave only

   B.Saw tooth wave only

   C.Square wave only

   D.Any of the above

18. Udamped oscillation requires

   A.Tuned circuit, amplifier and feedback circuit

   B.Phase shift circuit amplifier and feedback circuit

   C.Rectifier, amplifier and feedback circuit

   D.None of the above

19. An oscillator that is most stable having simple circuit is

   A.Colpitts oscillator

   B.Crystal oscillator

   C.Clapp oscillator

   D.Armstrong oscillator

20. ............... oscillator is the most stable oscillator

   A.Crystal controlled

   B.Hartley

   C.Colpitts

   D.Wein bridge

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