Why does a compass needle get deflected when brought near a bar magnet?

Answer:

Magnetic field

  • The magnetic field is a field generated by the electric charge or magnet in the motion.
  • The magnetic field is the area around the moving electric charge or magnetic substance within which the force of magnetism operates.
  • Using magnetic field lines, magnetic fields are described.
  • It is a visual method used to visualise the path of the magnetic field and its strength.

Bar magnet

  • A bar magnet is a rectangular piece of an object that has permanent magnetic properties, composed of iron, steel or some other ferromagnetic material or ferromagnetic composite.
  • It has two poles, a north and a south pole so that the magnet aligns itself while freely suspended so that the northern pole points to the earth’s magnetic north pole.

The compass needle is a small magnet. That’s why when a compass needle is brought near a bar magnet, its magnetic field lines interact with that of the bar magnet. Hence, a compass needle gets deflected near the magnet bar.

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3 Comments

  1. found the answer thank you.

  2. Thank You. I was confused for a while but not anymore.

  3. Found the ans tq u

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