If more coils are added to an electromagnet it becomes?

If more coils are added to an electromagnet it becomes?

  • Correct Answer: stronger
  • brighter
  • lighter
  • weaker

Explanation: The combined magnetic force of the magnetized wire coil and iron bar makes an electromagnet very strong. In fact, electromagnets are the strongest magnets made. An electromagnet is stronger if there are more turns in the coil of wire or there is more current flowing through it. A bigger bar or one made of material that is easier to magnetize also increases an electromagnet’s strength. At the following URL, you can see an animation demonstrating how these factors affect the strength of an electromagnet. http://www. schoolphysics. co. uk/animations/Electromagnet/index. html.

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