Science
Why does a compass needle get deflected when brought near a bar magnet?
Electro-Magnetism
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Answer
The compass needle is a small magnet. When the compass needle is brought close to a bar magnet, the magnetic field lines of the compass needle interact with the magnetic field lines of bar magnet causing the compass needle to get deflected.
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Related Questions
Draw magnetic field lines around a bar magnet.
List the properties of magnetic field lines.
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Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop.