Understanding Electrical Components and Circuits
Authored by Norman Muzvuru
Design
12th Grade
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of electric current?
Volt
Ampere
Ohm
Watt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a type of resistor?
Ceramic
Carbon film
Electrolytic
Ferrite core
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for Ohm's Law?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a semiconductor component?
Signal diode
Air core inductor
Power transformer
Mains fuse
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a capacitor?
To store electrical energy
To increase current
To decrease voltage
To convert AC to DC
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a type of primary cell?
Nickel cadmium
Zinc carbon
Lead acid
Nickel metal hydride
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a heat sink?
To increase voltage
To dissipate heat
To store charge
To amplify signals
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