An oscillator differs from an amplifier because it_____________?

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. 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...

3. 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...

4. 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...

5. In Colpitt’s oscillator, feedback is obtained___________?

   A. A. By magnetic induction B. By a tickler coil C. From the centre of split capacitors D. None of the above...

6. A Wien bridge oscillator uses___________feedback?

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

7. ____________is a fixed frequency oscillator?

   A. Phase-shift oscillator B. Hartely-oscillator C. Colpitt’s oscillator D. Crystal oscillator...

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

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

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

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

10. An oscillator produces___________oscillations?

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