Q. A current density of _____ is ilsed for large power transformers with forced circulationof oil or with water cooling coils (Solved)
1. 1.5 to 2.5 A/mm2
2. 3.5 to 4.5 A/mm2
3. 4.0 to 5.0 A/mm2
4. 5.4 to 6.2 A/mm2
- d. 5.4 to 6.2 A/mm2
1. 1.5 to 2.5 A/mm2
2. 3.5 to 4.5 A/mm2
3. 4.0 to 5.0 A/mm2
4. 5.4 to 6.2 A/mm2