Trial Quiz
Authored by Korbla Kofi
Engineering
University
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component is essential for impedance matching in transformer-coupled amplifiers?
Capacitor
Resistor
Transformer
Diode
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a comparator?
To filter high-frequency noise
To compare two voltages and output a digital signal
To provide negative feedback
To act as an oscillator
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which class of amplifier is commonly used in audio applications due to its low distortion?
Class B
Class C
Class A
Class D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of a Class D amplifier?
Low distortion
High efficiency (near 100% theoretically)
Simple design
Wide bandwidth
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of feedback stabilizes gain and reduces distortion in amplifiers?
Positive feedback
Negative feedback
Regenerative feedback
No feedback
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