1 hour 20 min

1. Bar magnet, B due to magnets
1 hour 20 min

2. Torque on bar magnet; force of interaction & potential energy between magnets, Terrestrial magn
1 hour 57 min

3. null points, magnetic materials
1 hour 56 min

4. magnetic hysteresis
51 min

5. Apparent dip
41 min