# Clapp Oscillator MCQ’s

This set of Analog Electronic Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Clapp Oscillator”.

1. Which type of feedback is used in clapp oscillator?
a) Positive feedback
b) Negative feedback
c) No feedback is used
d) Both positive and negative feedback

2. When constructing variable frequency oscillator among clapp oscillator and colpitts oscillator which one is preferred?
a) Colpitts oscillator
b) Clapp oscillator
c) Both of them have equal preference
d) None of them preffered

3. Clapp oscillator is an ___________
a) LC oscillator
b) RC oscillator
c) RL oscillator
d) Crystal oscillator

4. In clapp oscillator voltage is divided by using __________
a) Resistors
b) Capacitors
c) Inductors
d) Voltage dividing circuits are not used

5. In a clapp oscillator with three capacitor C1, C2, C3, C1 is used as upper capacitor in voltage divider, C2 is used as lower capacitor in voltage divider and C3 is the third capacitor. The frequency of operation will be close to (Assume C1 parallel C2 is C3).

a)

b)

c)

d)

6. In a clapp oscillator with three capacitor C1, C2, C3, C1 is used as upper capacitor in voltage divider, C2 is used as lower capacitor in voltage divider and C3 is the third capacitor. Inductance used in the circuit is L. The frequency of operation will be __________

a)

b)

c)

d)

7. In a clapp oscillator with three capacitor C1, C2, C3, C1 is used as upper capacitor in voltage divider, C2 is used as lower capacitor in voltage divider and C3 is the third capacitor. For perfect operation which of these capacitor should have minimum value?
a) C1
b) C2
c) C3
d) All of them are equal

8. In a clapp oscillator with three capacitor C1, C2, C3, C1 is used as upper capacitor in voltage divider, C2 is used as lower capacitor in voltage divider and C3 is the third capacitor. For perfect operation of clapp oscillator value of C3 should be __________
a) Equal to C1
b) Equal to C2
c) Equal to C1 parallel C2
d) Very small

9. In the following oscillator which one is more accurate?
a) Colpitts oscillator
b) Clapp oscillator
c) Hartley oscillator
d) Simple LC oscillator

10. What will be the clapp oscillator frequency if the C1, C2, C3 of clap oscillator is 1μF, 1μF, 2μF respectively and inductance is 1μH?
a) 0.1MHz
b) 0.4MHz
c) 1MHz
d) 4MHz