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Who was the first scientist to discover that a current carrying wire acts as a magnet?
1. Hans Christian Oersted
2. Michael faraday
3. James Clerk Maxwell
4. sir Isaac newton

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Correct Answer - Option 1 : Hans Christian Oersted

  • A current-carrying wire has its magnetic field. 
  • This phenomenon was first discovered by Hans Christian Oersted. 
  • The current-carrying wire attracts magnetic material like a normal bar magnet. 
  • When the current is withdrawn or the switch is off, there is no magnetic effect in that case. 
  • This phenomenon was termed the magnetic effect of current. 
  • Electromagnets are based on this principle which is used in electric bell, crane, and several other types of equipment. 


So, the correct option is Hans Christian Oersted.

  • Current is induced in a conducting loop when the magnet is moved across the loop.
  • This was discovered by Michael Faraday.
  • It is used for electricity generation worldwide.

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