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Card 6

Front

What are direct currents?

Back

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Card 7

Front

What are alternating currents?

Back

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Card 8

Front

How does a thermal power station work?

Back

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Card 9

Front

What are transformers?

Back

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Card 10

Front

What are amps (a) and voltage (v)?

Back

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Card 11

Front

How do you work out power?

Back

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Card 12

Front

How do you work out the energy transferred?

Back

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Card 13

Front

What is off peak electricity?

Back

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Card 14

Front

How do you work out the total cost for electricity?

Back

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Card 15

Front

What is background radiation?

Back

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