Why does a compass needle get deflected when brought near a bar magnet?
Understand the Problem
The question is asking why a compass needle is deflected when brought near a bar magnet. This pertains to the principles of magnetism and how magnetic fields interact with objects that have magnetic properties.
Answer
The compass needle deflects due to the interaction of its magnetic field with that of the bar magnet.
The compass needle deflects because it is a small magnet and its magnetic field interacts with that of the bar magnet when brought near, causing deflection.
Answer for screen readers
The compass needle deflects because it is a small magnet and its magnetic field interacts with that of the bar magnet when brought near, causing deflection.
More Information
A compass needle is essentially a small magnet with north and south poles, and it deflects due to the attraction or repulsion caused by a nearby bar magnet's magnetic field.
Tips
A common mistake is forgetting that the compass needle itself is a magnet, leading to deflection rather than just following the magnetic field lines.
Sources
- Magnetic Effects Notes - Motor & Generator - similphysics.weebly.com
- BYJU'S - Compass Needle Deflection - byjus.com
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