Electrical Exam Practice Quiz
Test your knowledge of key electrical concepts with this practice quiz. Please answer all questions to the best of your ability.
Full Name
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First Name
Last Name
Email Address
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example@example.com
Which of the following is a unit of electrical resistance?
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Ohm
Volt
Ampere
Watt
Select all components that are used to store electrical energy:
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Capacitor
Inductor
Resistor
Battery
What is the formula for calculating electrical power?
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P = V × I
P = I / V
P = V / R
P = R × I
Which safety device automatically breaks the circuit when excessive current flows?
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Fuse
Resistor
Transformer
Capacitor
A circuit has a voltage of 12V and a resistance of 6Ω. What is the current?
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2 A
0.5 A
72 A
18 A
Which of the following statements about alternating current (AC) is true?
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AC changes direction periodically.
AC flows only in one direction.
AC cannot be transformed to different voltages.
AC is not used in households.
Rate your confidence in electrical safety procedures:
1
2
3
4
5
Match the following electrical symbols to their names:
Rows
Resistor
Capacitor
Symbol A
Symbol A
Symbol B
Symbol C
Symbol D
Symbol A
Symbol B
Symbol C
Symbol D
Symbol B
Symbol A
Symbol B
Symbol C
Symbol D
Symbol A
Symbol B
Symbol C
Symbol D
Symbol C
Symbol A
Symbol B
Symbol C
Symbol D
Symbol A
Symbol B
Symbol C
Symbol D
Symbol D
Symbol A
Symbol B
Symbol C
Symbol D
Symbol A
Symbol B
Symbol C
Symbol D
Briefly explain the importance of grounding in electrical systems.
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