These materials are used to make magnets for electric generators, transformer core and electromagnet core. Then it is proper to use;
[JEE Main Solved Paper-2016 ]
A) B for electromagnets and transformers.
B) A for electric generators and transformers.
C) A for electromagnets and B for electric transformers.
D) A for transformers and B for electric generators.
Correct Answer: A
Solution :
For electromagnet and transformers, we require the core that can be magnetized and demagnetized quickly when subjected to alternating current. From the given graphs, graph B is suitable.
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