An LC oscillator cannot be used to produce ____________frequencies?

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. Hartley oscillator is commonly used in______________?

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

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

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

4. 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

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. 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 employs___________feedback?

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