Verified Solution • 2025–26 Session moderate

QPages 275-276: Q4: HC Verma: Concepts of Physics - Volume 2 Permanent Magnets Pages 275-276: Q4 Solution: Compare the direction of the magnetic field inside a solenoid…

Compare the direction of the magnetic field inside a solenoid with that of the field there if the solenoid is replaced by its equivalent combination of north pole and south pole.

Step-by-Step Verified Solution

**Answer:** The direction of the magnetic field inside a solenoid is the same as the field between the equivalent north and south poles. **Step-by-Step Explanation:** A solenoid carrying current produces a magnetic field similar to that of a bar magnet. Inside the solenoid, the field lines point from the south pole to the north pole. This is the same direction as the field between the north and south poles of an equivalent magnet outside the magnet [citation:9].

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