Teaching UKPSC Lecturer Mock Test Series 2024 Physics Magnetism and Maxwell's Equations Magnetic Materials
The core of a toroid having 2000 turns has inner and outer radii 10 cm and 20 cm respectively. A current of 1 A produces a magnetic field intensity of 2 T in the core. The relative permeability of the core will be
1
520
2
583.33
3
540.2
4
556.89