magnetism-and-matter Question 24

Question: Q. 13. The given graphs show the variation of intensity of magnetisation I with strength of applied magnetic field H for two magnetic materials P and Q.

(i) Identify the materials P and Q.

(ii) For material P, plot the variation of intensity of magnetisation with temperature. Justify your answer.

U] [CBSE SQP 2014]

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Solution:

Ans. (i) P : Paramagnetic material

(ii) Q : Ferromagnetic material

In paramagnetic materials, I decreases with temperature as, IHT,

where, H is the magnetising field.

[CBSE Marking Scheme, 2014]

Short Answer Týpe Questions-II

(3 marks each)



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