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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 two materials will always be equal.
Select the correct answer using the codes given below Codes:, Options are ⇒ (A) 1 alone, (B) 2 alone, (C) 2 and 3, (D) 1, 2 and 3, (E) , Leave your comments or Download question paper.
Which of the following statements should be true if one compares
the 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 two materials will always be equal. Select the correct answer using the codes given below Codes: | |
A. | 1 alone [Wrong Answer] |
B. | 2 alone [Correct Answer] |
C. | 2 and 3 [Wrong Answer] |
D. | 1, 2 and 3 [Wrong Answer] |