|
 Oscillators 20 Flashcards |
Start
|
|
What is the primary function of an oscillator in electrical engineering? |
Card: 1 / 20 |
|
|
To generate alternating voltage without requiring an external signal. |
Card: 2 / 20 |
|
|
Fill in the blank: The feedback mechanism in an oscillator is used to maintain ______ of the oscillations. |
Card: 3 / 20 |
|
|
Amplitude |
Card: 4 / 20 |
|
|
True or False: An amplifier can produce an output signal without any input signal. |
Card: 5 / 20 |
|
|
False. An amplifier requires an input signal to produce an output signal. |
Card: 6 / 20 |
|
|
Which of the following types of oscillators produces a square waveform? A) Harmonic B) Relaxation C) Colpitts D) Hartley |
Card: 7 / 20 |
|
|
B) Relaxation |
Card: 8 / 20 |
|
|
Riddle: I can generate waves without a sea, using inductors and capacitors to set me free. What am I? |
Card: 9 / 20 |
|
|
An oscillator |
Card: 10 / 20 |
|
|
 Unlock all Flashcards with EduRev Infinity Plan Starting from @ ₹99 only
|
|
|
|
What determines the frequency of oscillation in an LC tank circuit? |
Card: 11 / 20 |
|
|
The values of inductance (L) and capacitance (C). |
Card: 12 / 20 |
|
|
Fill in the blank: The ______ oscillator uses a crystal to achieve high frequency stability. |
Card: 13 / 20 |
|
|
Quartz Crystal |
Card: 14 / 20 |
|
|
True or False: The Hartley oscillator can produce a stable frequency output by using a single tapped coil. |
Card: 15 / 20 |
|
|
True. |
Card: 16 / 20 |
|
|
Which oscillator type is best known for producing a pure sinusoidal output? A) RC B) Wien Bridge C) Clapp D) Hartley |
Card: 17 / 20 |
|
|
B) Wien Bridge |
Card: 18 / 20 |
|
|
Riddle: I am a circuit that can change frequency with a voltage, my output can be a wave or pulse, what am I? |
Card: 19 / 20 |
|
|
A Voltage Controlled Oscillator (VCO) |
Card: 20 / 20 |
|
|
Completed! Keep practicing to master all of them. |
Restart
|
