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Slide 2

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Making an electromagnet:
Iron Nail
What to do:
1. Wrap a coil of wire around the iron nail.
2. Connect the coil of wire to the batteries.
3. See how many paperclips you can pick up.…read more

Slide 3

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The strength of an electromagnet can be increased by
doing three things:
1) Increasing the voltage
2) Increasing the number of coils
3) Inserting an iron core
(The poles can be reversed by
reversing the direction of the current)…read more


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