Question

why does a compass needle get deflected when brought near the bar magnet?​

Answer 1

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.

FOLLOW ME IF YOU WANT TO KNOW THE CORRECT ANSWER OF ALL QUESTIONS.

Answer 2

Explanation:

When compass is brought near a bar magnet, its magnetic field lines interact with that of the bar magnet. Hence, a compass needle shows a deflection when brought near the bar magnet.