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Electrical Power
Game Code: 155495
English
40
Featured
Trivia about electricity
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What is the term for the rate of flow of charge around a circuit?
Current
15
What is the term for the "energy transferred per unit charge"?
Voltage (potential difference)
15
What is the unit for resistance in a circuit?
The Ohm
15
What is the unit for current in a circuit?
Amps (A)
15
What colour is the live wire in a plug?
Brown
15
What colour is the neutral wire in a plug
Blue
15
What colour is the earth wire in a plug?
Yellow and green
15
If my PS4 runs with a current of 3A, which fuse should I choose to put in the plug for the PS4: 2A, 4A, 15A?
4A
15
What is the term for the rate of energy transfer?
Power
15
What is the unit of power?
Watt (W)
15
What is the name of the network of cables and transformers that bring electricity to our homes?
The national grid
15
What is the voltage of the UK mains electricity?
230V
15
What is the Ohms law equation?
V = I x R
15
Why is the voltage stepped up to nearly 400 kV whilst the electricity travels across the cables in the national grid.
To reduce energy lost by heating in the cables.
15
Why is the voltage stepped down by a transformer, to 230V before it enters our homes?
Safety.
15
What is the difference between an A.C supply and a D.C supply?
D.C one direction, constant size. A.C changing direction and changing size.
15
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