The phenomenon of magnetostriction occurs when a ferromagnetic substance is magnetized resulting in

The phenomenon of magnetostriction occurs when a ferromagnetic substance is magnetized resulting in (a) Heating (b) Small changes in its dimensions (c) Small changes in its crystal structure (d) Some change in its mechanical properties
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The phenomenon of magnetostriction occurs when a ferromagnetic substance is magnetized resulting in Small changes in its dimensions 

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