# Hartley Oscillator-1 MCQ’s

This set of Analog Electronic Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Hartley Oscillator-1″.

1. Lower frequencies are not practically possible in the case of Harley oscillator because of the requirement of low ___________ value.

a) Capacitance

b) Resistance

c) Inductance

d) Gain

2. Which type of feedback is used by Hartley oscillator?

a) Voltage series feedback

b) Current series feedback

c) Voltage shunt feedback

d) Current shunt feedback

3. Recommended frequency range of Harley oscillator is __________

a) 30KHz-30MHz

b) 1KHz-10MHz

c) 2Hz-3MHz

d) 0.5KHz-40MHz

4. Which component of Hartley oscillator is used in the feedback system?

a) Inductor

b) Resistor

c) Capacitor

d) Transistor

5. How many capacitors are there in the tank circuit of Hartley oscillator?

a) 1

b) 2

c) 3

d) 0

6. The frequency of Hartley oscillator is expressed as __________

(Where L is effective inductance and C is the capacitance)

a) 1/(4ᴨ√LC)

b) 1/(2ᴨ√LC)

c) 1/(3ᴨ√LC)

d) √3/(2ᴨ√LC)

7. Which of the following network is used to give feedback to transistor of Hartley oscillator?

a) Inductive fixed bias

b) Capacitive fixed bias

c) Inductive voltage divider

d) Capacitive voltage divider

8. How many inductors are there in the tank circuit of Hartley oscillator?

a) 1

b) 2

c) 3

d) 0

9. Active element used in Hartley oscillator is __________

a) Cell

b) Voltage regulator

c) Diode

d) Transistor

10. Hartley oscillator uses which type of feedback?

a) Negative feedback

b) Positive feedback

c) No feedback

d) Positive or Negative depends upon the frequency