The Q of the crystal is of the order of____________?

Related Mcqs:

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

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

2. Quartz crystal is most commonly used in crystal oscillators because:____________?

   A. It has superior electrical properties
   B. It is easily available
   C. It is quite inexpensive
   D. None of the above

3. If the crystal frequency changes with temperature, we say that crystal has___________temperature coefficient?

   A. Positive
   B. Zero
   C. Negative
   D. None of the above

4. The piezoelectric effect in a crystal is___________?

   A. A voltage developed because of mechanical stress
   B. A change in resistance because of temperature
   C. A change in frequency because of temperature
   D. None of the above

5. 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

6. 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

7. 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

8. In an LC circuit, when the capacitor is maximum, the inductor energy is____________?

   A. Minimum
   B. Maximum
   C. Half-way between maximum and minimum
   D. None of the above

9. 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

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

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