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

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

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

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. ____________is a fixed frequency oscillator?

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

5. A second condition for oscillations is____________?

   A. A gain of 1 around the feedback loop
   B. No gain around the feedback loop
   C. The attention of the feedback circuit must be one-third
   D. The feedback circuit must be capacitive

6. 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

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. 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