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Doctors Medicines MCQs Q&A

  1. A bar magnet
  2. Horse - shoe magnet
  3. Magnetite of Lodestone
  4. Electromagnet
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Option 3 : Magnetite of Lodestone

CONCEPT:

  • Magnet: A magnet is an object that has a magnetic field. A magnet attracts or repels other magnets or magnetic materials.
    • When two magnets are brought together, the opposite poles will attract one another, but the like poles will repel one another. 
  • A natural magnet is nothing but an ore of iron that attracts small pieces of iron, nickel, and cobalt towards it.

EXPLANATION:

  • The magnetite of Lodestone is an example of Natural magnets. 

  • Bar magnet, Horseshoe magnet & Electromagnet are examples of the artificial magnet. 
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