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Card 16

Front

What is the current through a component proportional to?

Back

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Card 17

Front

Why do resistors get hot when a current passes through them?

Back

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Card 18

Front

What does a thermistors resistance depend on?

Back

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Card 19

Front

How many volts is the UK mains electricity supply, is it AC or DC?

Back

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Card 20

Front

What does AC stand for and what does it mean?

Back

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Card 21

Front

What does DC stand fro and what does it mean?

Back

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Card 22

Front

How can you create a voltage in a conductor?

Back

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Card 23

Front

How does moving a magnet near a coil of wire induce a voltage?

Back

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Card 24

Front

How could you increase the voltage induced in a generator?

Back

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Card 25

Front

What are transformers used for?

Back

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