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WorksheetsBasic Electrical Concepts Quiz
Total questions: 10
Worksheet time: 5mins
What is voltage?
The flow of electric charge
The electrical potential difference
The opposition to current flow
The measure of energy consumed
What is current measured in?
Volts
Ohms
Amperes
Watts
What does Ohm's Law state?
V = IR
I = VR
R = VI
V = I + R
What type of current is used in most household outlets?
Direct Current (DC)
Alternating Current (AC)
Both AC and DC
None of the above
Which of the following is a good conductor?
Rubber
Wood
Copper
Glass
What is the purpose of a fuse?
To increase voltage
To reduce current
To protect against excessive current
To store energy
What does an insulator do?
Increases current flow
Reduces voltage
Prevents current flow
Measures resistance
What happens during a short circuit?
Current flow is decreased
Current takes an unintended path
Voltage increases significantly
Resistance increases
What unit is resistance measured in?
Volts
Amperes
Ohms
Watts
What is the primary function of a circuit breaker?
To store electricity
To regulate voltage
To interrupt the flow of current
To measure resistance
