Mains Electricity (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of current is supplied by UK mains electricity?
What type of current is supplied by UK mains electricity?
Alternating current (AC)
What is the frequency of the UK domestic electricity supply?
What is the frequency of the UK domestic electricity supply?
Hz
What is the voltage of the UK mains electricity supply?
What is the voltage of the UK mains electricity supply?
About V
What does Hz mean for UK mains electricity?
What does Hz mean for UK mains electricity?
50 cycles per second
Which devices supply direct current (DC)?
Which devices supply direct current (DC)?
Cells and batteries
What colour is the live wire in a three-core cable?
What colour is the live wire in a three-core cable?
Brown
What colour is the neutral wire in a three-core cable?
What colour is the neutral wire in a three-core cable?
Blue
What colour is the earth wire in a three-core cable?
What colour is the earth wire in a three-core cable?
Green and yellow stripes
At what voltage does the live wire operate?
At what voltage does the live wire operate?
V
What is the function of the neutral wire?
What is the function of the neutral wire?
Completes the circuit
What is the primary function of the earth wire?
What is the primary function of the earth wire?
Prevents appliance becoming live
Why is copper used for the wires in cables?
Why is copper used for the wires in cables?
Good conductor of electricity