A Wien bridge oscillator uses___________feedback?

Related Mcqs:

1. 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...

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. 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...

6. 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...

7. An important limitation of a crystal oscillator is____________?

   A. Its low output B. Its high Q C. Less availability of quartz crystal D. Its high output...

8. 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...

9. In a phase shift oscillator, we use____________RC sections?

   A. Two B. Three C. Four D. None of the above...

10. An oscillator produces___________oscillations?

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