Fundamentals of Electronic Components
Interactive Video
•
Science, Physics, Other
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a resistor in an electronic circuit?
To store energy
To increase voltage
To reduce voltage and current
To convert AC to DC
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the resistance value of a variable resistor be changed?
By connecting it in series
By applying more voltage
By rotating a rotary switch
By changing the temperature
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes a polarized capacitor from a non-polarized one?
It can only be used in AC circuits
It has a positive and a negative terminal
It is larger in size
It has a fixed resistance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main use of a ceramic capacitor in a circuit?
To convert DC to AC
To increase current
To reduce fluctuations
To store large amounts of energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction does a diode allow current to flow?
Both directions
Only in reverse bias
Only in forward bias
It blocks all current
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a transistor in a circuit?
To convert high signal to low signal
To convert DC to AC
To store electrical charge
To amplify signals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a voltage regulator do in a circuit?
Provides constant output voltage
Converts AC to DC
Increases voltage
Stores electrical energy
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