7th Class Science Electric Current and Its Effects Question Bank Electric Current and Its Effects

  • question_answer
    Which of the following statements about an electromagnet is NOT true?

    A)  Insulated wire is wound around it.

    B)  It works only in the presence of electricity.

    C)  It is used in fans and radio.

    D)  It is a permanent magnet.

    Correct Answer: D

    Solution :

    An electromagnet is made by winding insulated wire around a magnet. It behaves like a magnet as long as the current passes through it. It is a temporary magnet.


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