Measuring Electricity (Leaving Cert Construction Studies): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is electricity?
What is electricity?
Movement of electrons along conductor
What is the standard unit for measuring electric current?
What is the standard unit for measuring electric current?
Ampere
What does voltage represent in an electrical circuit?
What does voltage represent in an electrical circuit?
Force that drives current
In which unit is electrical resistance measured?
In which unit is electrical resistance measured?
Ohms
Why is copper the most commonly used metal for conducting electricity?
Why is copper the most commonly used metal for conducting electricity?
Low resistance & abundance
What is the formula for calculating electrical power?
What is the formula for calculating electrical power?
How does wire diameter relate to current capacity?
How does wire diameter relate to current capacity?
Larger wires carry more current safely
What does wattage actually measure?
What does wattage actually measure?
Rate of electrical energy conversion
What are the three main components of a basic circuit?
What are the three main components of a basic circuit?
Power source, device, & switch
What happens when a switch in a circuit is closed?
What happens when a switch in a circuit is closed?
Circuit completes & current flows