In Colpitt’s oscillator, feedback is obtained___________?

Related Mcqs:

1. 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

2. 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

3. In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency____________?

   A. Remains the same
   B. Decreases
   C. Increases
   D. Insufficient data

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

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

5. The crystal oscillator frequency is very stable due to___________of the crystal?

   A. Rigidity
   B. Vibrations
   C. Low Q
   D. High Q

6. 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

7. A Wien bridge oscillator uses___________feedback?

   A. Only positive
   B. Only negative
   C. Both positive and negative
   D. None of the above

8. An oscillator employs___________feedback?

   A. Positive
   B. Negative
   C. Neither positive nor negative
   D. Data insufficient

9. In an LC transistor oscillator, the active device is___________?

   A. LC tank circuit
   B. Biasing circuit
   C. Transistor
   D. None of the above

10. An LC oscillator cannot be used to produce ____________frequencies?

    A. High
    B. Audio
    C. Very low
    D. Very high