SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Electromagnetic Theory Magnetostatics
A mild steel ring has mean diameter of 20 cm and cross-sectional area of 50 cm2. For a relative permeability 800, calculate reluctance of ring.
1
0.125 × 106 AT/wb
2
2.68 × 106 AT/wb
3
1.47 × 106 AT/wb
4
1.35 × 106 AT/wb