defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Electromagnetic Oscillations and Alternating Current Transformers
A transformer of 100% efficiency has 200 turns in the primary and 40000 turns in the secondary. It is connected to a 220 V main supply and secondary feeds to a 100 KΩ resistance. The potential difference per turn is
1
11 V
2
18 V
3
25 V
4
1.1 V