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STD 12 - 5. Magnetism and matter — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 5. Magnetism and matter4 Marks
Question
Hysteresis loops for two magnetic materials $A$ and $B$ are given below

These materials are used to make magnets for elecric generators, transformer core and electromagnet core. Then it is proper to use

✓

Answer

Graph $[A]$ is for material used for making permanent magnets (high coercivity)
Graph $[B]$ is for making electromagnets and transformers

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