Transistor as an Amplifier Quiz
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a transistor when used as an amplifier?
To decrease current
To decrease voltage
To increase current
To increase voltage
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the collector current (IC) compare to the base current (IB) in a transistor?
IC is always greater than IB
IC is equal to IB
IC is unrelated to IB
IC is always less than IB
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the collector current (IC) when the base current (IB) increases?
IC remains the same
IC decreases
IC becomes zero
IC increases
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the amplification factor in a transistor?
The ratio of voltage to current
The ratio of IC to IB
The ratio of IB to IC
The ratio of power to resistance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the amplification factor be determined from a graph?
By measuring the slope of the graph
By measuring the area under the graph
By measuring the intercept of the graph
By measuring the curvature of the graph
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of capacitors in an amplification circuit?
To allow direct current to pass
To block alternating current
To allow alternating current to pass
To increase voltage
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a capacitor used in the microphone circuit?
To decrease the current
To increase the sound
To prevent direct current from entering the microphone
To convert sound to electrical energy
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