Aha Trivia Stuff Everyone Should Know
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What did Oersted discover about current and magnetism?

A current-carrying wire affects a compass needle.

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  1. Magnets stop current completely
  2. Current creates only light
  3. A current-carrying wire affects a compass needle ✔

Why: Oersted saw current in a wire disturb a compass needle, linking electricity and magnetism.

Huh, didn't know that: Oersted saw current in a wire disturb a compass needle, linking electricity and magnetism.

The dad joke
Oersted found the current had magnetic appeal.
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References

Answer: A current-carrying wire affects a compass needle. Oersted saw current in a wire disturb a compass needle, linking electricity and magnetism.

  1. Electricity en.wikipedia.org/wiki/Electricity
    he witnessed the current in a wire disturbing the needle of a magnetic compass
    Checked 2026-11-07.

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