Plugs And Fuses Question Preview (ID: 54716)
KS4 Test Based On Wiring A Plug And Fuses.
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What colour is the live wire in a plug?
a) Brown
b) Blue
c) Yellow and green
d) Red
What colour is the neutral wire?
a) Brown
b) Blue
c) Yellow and green
d) Red
What colour is the earth wire?
a) Brown
b) Blue
c) Yellow and green
d) Red
Which wire is connected to the fuse?
a) Live
b) Neutral
c) Earth
d) Safety
What causes the fuse to melt?
a) Too much voltage
b) Too much energy
c) Too much current
d) Too much electricty
What size fuses are there?
a) 3A, 5A, 15A
b) 1A, 3A, 5A
c) 1A, 3A, 5A
d) 3A, 5A, 13A
What prevents electrocution if there is a fault?
a) The fuse
b) The live wire
c) The earth wire
d) The neutral wire
What is the formula relating power, current and voltage?
a) Power = current x voltage
b) Power = current / voltage
c) Power = voltage / current
d) Voltage = current / power
What is the UK mains voltage?
a) 240V
b) 12V
c) 130V
d) 230V
If a hairdryer has a current of 6A, what should its fuse be?
a) 3A
b) 5A
c) 6A
d) 13A
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