Q. A longitudinal surface crack in a circularly magnetised part will cause: (Solved)
1. The magnetic field to die out
2. A decrease in permeability
3. A magnetic leakage field
4. A current to flow
- c. A magnetic leakage field
1. The magnetic field to die out
2. A decrease in permeability
3. A magnetic leakage field
4. A current to flow