Electrician Quiz: Electricity Basics for Beginners
Starting out as an electrician or curious about the trade? Test your basics for free in 10 questions: units, Ohm's law, power, energy, conductors and insulators, protection and safety. Every answer is explained, so you learn as you play.
1. What is the unit of electric current?
2. Which of these materials is a good conductor of electricity?
3. How is Ohm's law written, with V the voltage, R the resistance and I the current?
4. A 10 Ω resistor carries a current of 2 A. What is the voltage across it?
5. A device supplied at 12 V draws a current of 2 A. What is its power?
6. What type of current does a battery supply?
7. Two lamps are wired in series. One of them blows. What happens to the other?
8. In what unit is the electrical energy on your electricity bill measured?
9. Which device automatically cuts off a circuit in the event of an overload or a short circuit?
10. Before replacing a socket, what must you do first?
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Frequently asked questions
Is this electrician quiz free?
Yes. It is completely free, with no sign-up. You can take it as many times as you like.
What level is this quiz?
Beginner level: the electricity basics every trainee electrician should master before moving on to wiring regulations, circuit diagrams and safe working practices.
Can I create my own quiz for my apprentices?
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