railway RRB JE (CBT I + CBT II) Mock Test 2024 Electromagnetic Theory Magnetostatics Magnetic Flux Density
lf a saw cut of 1 mm wide is made in the ring, calculate the current which will give same flux as in the previous question. Neglect leakage and fringing.
1
1.6 A
2
2.8 A
3
7 A
4
9.2 A