allerySubstances that get strongly magnetised in an external field are called:
AFerocious ones
BFermented ones
CFertilised ones
DFerromagnetic
Answer & Solution
Correct answer: D. Ferromagnetic
1. A third class responds far more strongly than the other two.
2. Iron is the everyday example.
3. Ferromagnetic substances are those which get strongly magnetised in an external magnetic field.
4. So the answer is ferromagnetic.
_Source: syllabus Physics Part I, Ch 5 'Magnetism and Matter'_
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