A) P
B) Q
C) R
D) S
Correct Answer: B
Solution :
[b] \[B={{\mu }_{0}}{{\mu }_{r}}H\Rightarrow {{\mu }_{r}}\propto \frac{B}{H}\]= slope of B-H curve According to the given graph, slope of the graph is highest at point Q.You need to login to perform this action.
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