Which one of the following is a Ferrite? (A) \( \mathrm{Na}_{2} \mathrm{Fe}_{2} \mathrm{O}_{4} \...

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Which one of the following is a Ferrite?
(A) \( \mathrm{Na}_{2} \mathrm{Fe}_{2} \mathrm{O}_{4} \)
(B) \( \mathrm{MgFe}_{2} \mathrm{O}_{4} \)
(C) \( \mathrm{AlFe}_{4} \mathrm{O}_{4} \)
(D) \( \mathrm{Zn}_{3} \mathrm{FeO}_{4} \)
\( \mathrm{P} \)
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