JEE Main20207 Jan 2020Evening ShiftPhysicsMagnetic Properties of MatterActual
The figure gives experimentally measured B vs. H variation in a ferromagnetic material. The retentivity, coercivity and saturation, respectively, of the material are:
Options
- A1.5 T , 50 A / m and 1.0 T
- B1.5 T , 50 A / m and 1.0 T
- C150 A / m , 1.0 T and 1.5 T
- D1.0 T , 50 A / m and 1.5 T
Correct answer
D. 1.0 T , 50 A / m and 1.5 T
Step-by-step solution
x = r e t e n t i v i t y y = c o e r c i v i t y z = s a t u r a t i o n m a g n e t i z a t i o n