Q. Flux density is a measure of the number of magnetic flux lines perpendicular to an area of cross-section. If a discontinuity is in the plane of the unit area, the strongest magnetic article indication will be formed when the discontinuity is: (Solved)
1. Inclined at 45º to the flux lines
2. Parallel to the flux lines
3. 90º to the flux lines
4. 135º to the flux lines
- c. 90º to the flux lines