Hartley oscillator is commonly used in______________?

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. 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

3. 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

4. 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

5. A Wien bridge oscillator uses___________feedback?

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

6. 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

7. ____________is a fixed frequency oscillator?

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

8. An oscillator employs___________feedback?

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

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

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

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

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