
Class Amplifier Efficiency and Components

Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Hard

Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum theoretical efficiency of a Class A amplifier?
25%
50%
75%
100%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component is used to improve the efficiency of a Class A amplifier?
Transformer
Resistor
Capacitor
Diode
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many degrees of the input cycle does a Class A amplifier conduct?
90 degrees
180 degrees
270 degrees
360 degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main issue with the output of a Class B amplifier?
High distortion
Crossover distortion
Low gain
High power consumption
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum theoretical efficiency of a Class B amplifier?
99%
78.5%
50%
25%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a Class AB amplifier reduce crossover distortion?
Using two diodes
Using a resistor
Using a transformer
Using a capacitor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of a Class AB amplifier over a Class B amplifier?
Reduced crossover distortion
Lower cost
Simpler design
Higher efficiency
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