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Which three items below are used to make an electromagnet? aa battery ba coin ca cork da nail esome thin wire

Question

Which three items below are used to make an electromagnet? aa battery ba coin ca cork da nail esome thin wire

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Solution

The three items used to make an electromagnet are:

a. A battery d. A nail e. Some thin wire

Here's a step-by-step guide on how to make an electromagnet:

  1. Take the thin wire and wrap it around the nail. The more turns of the wire, the stronger the electromagnet will be.
  2. Strip the ends of the wire to expose the metal.
  3. Connect one end of the wire to the positive terminal of the battery and the other end to the negative terminal.
  4. Your electromagnet is now ready. You can test it by bringing it close to some small metal objects. The electromagnet should attract them.

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Question 17A student wraps a copper wire around a nail and then connects the wire to a battery.Which statement describes the role of the nail in this set-up?A The nail is an electromagnet. The current in the wire induces a magnetic field from the nail.B The nail is a permanent magnet. The current in the wire induces a magnetic field from the nail.C The nail is an electromagnet. The magnetic field from the nail induces an electric current in the wire.D The nail is a permanent magnet. The magnetic field from the nail induces an electric current in the wire.

Draw a labelled diagram to show how an electromagnet is made.

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