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Card 16

Front

Why is each field line a loop in a solenoid?

Back

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Card 17

Front

How to increase the magnetic field produced by a solenoid ?

Back

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Card 18

Front

What is an electromagnet?

Back

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Card 19

Front

What happens when the magnetic field is produced from the electric current?

Back

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Card 20

Front

What are some uses of electromagnets?

Back

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Card 21

Front

How does the scrapyard crane work?

Back

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Card 22

Front

How does a circuit breaker work?

Back

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Card 23

Front

How does the electric bell work?*

Back

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Card 24

Front

What is a relay used for?

Back

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Card 25

Front

How does the relay work?*

Back

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