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Why do we prefer the along alnico for making permanent magnets.

$\begin{array}{1 1} \text{Hysteresis loop is narrow } \\ \text{They are easily available} \\ \text{It readily obeys curies law of magnetism} \\ \text{It is has high coercivity and retentivity } \end{array} $

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Answer : $\text{It is has high coercivity and retentivity } $
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