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Card 16

Front

Why is it safe for a drill to be fitted with a two core cable rather than a three core cable?

Back

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Card 17

Front

How does an RCCB operate?

Back

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Card 18

Front

Why does the resistance of the bulb increase as the potential difference increases?

Back

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Card 19

Front

What are the two substances used in nuclear reactors?

Back

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Card 20

Front

How is nuclear fission used to generate electricity?

Back

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Card 21

Front

Why does lowerig the control rods in a nuclear reactor reduce the amount of energy released from the nuclear fuel?

Back

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Card 22

Front

What is meant by thinking distance?

Back

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Card 23

Front

What things affect thinking distance?

Back

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Card 24

Front

What things affect braking distance?

Back

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Card 25

Front

Why does applying the brakes cause the temperature of the brakes to increase?

Back

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