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34 votes
34 votes
Describe how to make an electromagnet. Use the following words and phrases:

Power supply, coil of wire, current, iron core

User Kiran Kotturi
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2 Answers

26 votes
26 votes

Answer:

Step-by-step explanation:

Unlike permanent magnet, electromagnet require a power supply to work. The power supply drives an electric current through coil of wire wrapped around an iron core.

User Soc
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3.2k points
23 votes
23 votes

Required items:

  • battery
  • a coil of wire
  • iron core

Electromagnet can be created by wrapping a coil of wire on top of the iron core and passing an alternating current through it with the help of power supply.

  • the magnetic field will be constantly changing.
User Pravin Kamble
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3.5k points