Q. Demagnetisation with reversing DC is more effective than AC because: (Solved)
1. DC is more penetrating
2. Demagnetisation is assisted by the skin effect
3. DC is more direct
4. Not true-AC is more effective
- a. DC is more penetrating
1. DC is more penetrating
2. Demagnetisation is assisted by the skin effect
3. DC is more direct
4. Not true-AC is more effective