In a phase shift oscillator, we use____________RC sections?

Related Mcqs:

1. In a phase shift oscillator, the frequency determining elements are _______________?

   A. L and C
   B. R, L and C
   C. R and C
   D. None of the above

2. In an LC oscillator, the frequency of oscillator is____________L or C?

   A. Proportional to square of
   B. Directly proportional to
   C. Independent of the values of
   D. Inversely proportional to square root of

3. An oscillator converts __________?

   A. power into d.c. power
   B. power into a.c. power
   C. mechanical power into a.c. power
   S. none of the above

4. Hartley oscillator is commonly used in______________?

   A. Radio receivers
   B. Radio transmitters
   C. TV receivers
   D. None of the above

5. For an oscillator to properly start, the gain around the feedback loop must initially be_________?

   A. 1
   B. Greater than 1
   C. Less than 1
   D. Equal to attenuation of feedback circuit

6. In an LC oscillator, if the value of L is increased four times, the frequency of oscillations is __________?

   A. Increased 2 times
   B. Decreased 4 times
   C. Increased 4 times
   D. Decreased 2 times

7. An oscillator differs from an amplifier because it_____________?

   A. Has more gain
   B. Requires no input signal
   C. Requires no d.c. supply
   D. Always has the same input

8. In a certain oscillator Av = 50. The attention of the feedback circuit must be___________?

   A. 1
   B. 01
   C. 10
   D. 02

9. The application where one would most likely find a crystal oscillator is____________?

   A. Radio receiver
   B. Radio transmitter
   C. AF sweep generator
   D. None of the above

10. An oscillator produces___________oscillations?

    A. Damped
    B. Undamped
    C. Modulated
    D. None of the above