Consider the following statements regarding hysteresis loops of hard and soft magnetic materials:
1. Hysteresis loss of hard magnetic material will be less than that of soft material
2. Coercivity of hard material will be greater than that of soft material
3. Retentivity of the two materials will always be equal
Which of these statements are correct?1
1, 2 and 3
2
2 only
3
3 only
4
1 and 3 only