P2, Electricity

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  • Created by: emmajane_
  • Created on: 15-05-14 18:18
What happens when you rub two insulating materials together?
The become electrically charged
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What happens if two objects are put in contagt with the same charge?
They will repel eachother
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What happens if two different charges are put in to contact with eachother?
They will attract
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Which way does direct current flow?
In one direction
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What is an alternating current?
A current that is always changing direction
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When wiring a plug, where does the blue wire go?
Left
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When wiring a plug, where does the brown wire go?
Right
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When wiring a plug, where does the stripped wire go?
Top
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What do fuses do?
Protect electrical circuis and appliances
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What does the earth wire do?
Allow current to safley flow through if the live wire is toughing the casing
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What is the symbol for double insulation?
.
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What is the period of an AC supply?
The time taken for one oscillation
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What is the frequency of an AC supply?
Number of oscillations per second
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Other cards in this set

Card 2

Front

What happens if two objects are put in contagt with the same charge?

Back

They will repel eachother

Card 3

Front

What happens if two different charges are put in to contact with eachother?

Back

Preview of the front of card 3

Card 4

Front

Which way does direct current flow?

Back

Preview of the front of card 4

Card 5

Front

What is an alternating current?

Back

Preview of the front of card 5
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