Question 86: Magnetism and Matter

Question

The figure gives experimentally measured B vs H variation in a ferromagnetic material. The
retentivity, coercivity and saturation, respectively, of the material are :
![](https://imagex.cdn.examgoal.net/7k9k2k5f6f69b/a9d967a4-0546-4862-960f-7a2c6df5eaf2/c7b31ff0-3783-11ea-92dd-4b9c3519996f/file-7k9k2k5f6f69c-345w.jpg)

Accepted Answer

Retentivity = 1.0 T
Co-ercivity = 50 A/m
Saturation = 1.5 T
![](https://imagex.cdn.examgoal.net/7kd4dk6lvrj88/3d5e2cba-656f-4fd9-ad5d-2c6bf4666da2/ceeeb980-4eff-11ea-b62d-51ccc5d4afb6/file-7kd4dk6lvrj89-423w.jpg)

Answer

1.0 T, 50A/m and 1.5 T

Answer

1.5 T, 50 A/m and 1.0 T

Answer

1.5 T, 50 A/m and 2.0 T

Answer

150 A/m, 1.0 T and 1.5 T

Magnetism and Matter

The figure gives experimentally measured B vs H variation in a ferromagnetic material. The retentivity, coercivity and saturation, respectively, of the material are :

Choose the correct answer: