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Team 2
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Teams
Name
Score
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15
×
Which of the two types of bulb is more efficient?
LED
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15
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What is the term for the rate of flow of charge around a circuit?
Current
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15
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What is the term for the rate of energy transfer?
Power
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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.
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15
×
Name 3 fossil fuel energy sources, used to generate electricity.
Coal, Oil, Natural gas
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15
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What is the voltage of the UK mains electricity?
230V
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15
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What is the term for the "energy transferred per unit charge"?
Voltage (potential difference)
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trap
No points!
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gift
Win 20 points!
Okay!
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gift
Win 20 points!
Okay!
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banana
Go to last place!
Oops!
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monster
Reset all scores!
Oops!
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fairy
Take points!
5
10
15
20
25
×
gift
Win 20 points!
Okay!
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banana
Go to last place!
Oops!
15
×
When using a TV, which type of transferred energy is being wasted?
Heat
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15
×
Name 3 renewable sources of energy used to generate electricity
wind, wave, solar, geothermal, hydro (gravitational potential energy), bio fuels
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15
×
What colour is the live wire in a plug?
Brown
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15
×
What is a fuse?
A piece of wire which will melt and break the circuit if too much current is flowing.
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15
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What is the frequency of the UK mains electricity supply (it's an A.C supply)
50Hz
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15
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What is the name given to a material which can not conduct electricity?
An insulator
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lifesaver
Give 25 points!
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fairy
Take points!
5
10
15
20
25
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shark
Other team loses 5 points!
Okay!
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baam
Lose 10 points!
Oops!
×
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