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What was the main instrument Ørsted used in his famous experiment?

  • Telescope

  • Voltmeter

  • Compass

  • Microscope

Answer

The key instrument in Ørsted's pivotal experiment was a compass. Through meticulous observation, Ørsted noticed the deflection of a nearby compass needle when an electric current flowed through a nearby wire. This groundbreaking observation marked a crucial milestone in understanding the relationship between electricity and magnetism and paved the way for further advancements in electromagnetism.
Discovering the Electromagnetic World: The Hans Christian Ørsted Quiz

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