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Induction
To the left we have set up another experiment,
that looks almost like the one on the previous page. In the upper part we
have a battery, a switch, and an electromagnet.
Below the electromagnet we have set up another iron core with an insulated
copper coil around it. We have then connected a light bulb to the lower
coil.
Now, once again, flick the switch, and watch what happens.
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