JEE Mains · Physics · STD 12 - 5. Magnetism and matter
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
- A \(A\) for transformers and \(B\) for electric generators.
- B \(B\) for electromagnets and transformers
- C \(A\) for electric generators and trasformers
- D \(A\) for electromagnets and \(B\) for electric generators.
Answer & Solution
Correct Answer
(B) \(B\) for electromagnets and transformers
Step-by-step Solution
Detailed explanation
Graph \([A]\) is for material used for making permanent magnets (high coercivity) Graph \([B]\) is for making electromagnets and transformers
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