NEET Physics Magnetic Properties of Materials MCQ Question
Consider a diagram showing a solenoid with a ferromagnetic core inserted inside it. What is a key factor in determining the strength of the magnetic field inside the solenoid?
The relative permeability of the core material.
The length of the solenoid.
The diameter of the wire used in the solenoid windings.
The color of the insulation on the solenoid wire.
Correct Answer
Detailed Explanation
The relative permeability of the core material directly affects the magnetic field inside the solenoid, as described in the calculation of the magnetic field B in the provided NCERT context.
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