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QPages 275-276: Q1: HC Verma: Concepts of Physics - Volume 2 Permanent Magnets Pages 275-276: Q1 Solution: Can we have a single north pole, or a single south pole?

⚠️ Common Exam Traps & Conceptual Pitfalls

Students often think that slicing a magnet can produce a lone north or south pole, treating magnetic poles like electric charges. Remember that magnetic field lines are continuous; any piece of a magnet always forms a dipole, so cutting never yields a single pole.

Can we have a single north pole, or a single south pole?

Step-by-Step Verified Solution

**Answer:** No, we cannot have a single north pole or a single south pole. **Step-by-Step Explanation:** Magnetic monopoles do not exist. Every magnet, no matter how small, has both a north and a south pole. If you cut a bar magnet into two, you get two smaller magnets, each with its own north and south pole. Investigators and experimenters have failed to find any sign of magnetic monopoles, so magnetic poles are only mathematical assumptions having no real existence [citation:3].

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