JEE Main & Advanced JEE Main Solved Paper-2016

  • question_answer
    Hysteresis loops for two magnetic materials A and B are given below : 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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