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Card 6

Front

How is electricity transferred from national grid to consumers?

Back

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Card 7

Front

Why is grid PD so large?

Back

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Card 8

Front

When does the earth wire carry a current?

Back

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Card 9

Front

Why is the earth wire connected to the longest pin?

Back

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Card 10

Front

Which metal is used for pins?why?

Back

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Card 11

Front

Where is the fuse in a plug?

Back

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Card 12

Front

What is the brown wire?

Back

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Card 13

Front

What is the yellow and green wire?

Back

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Card 14

Front

What is the blue wire?

Back

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Card 15

Front

What are the wires made of?

Back

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