2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-18

  • question_answer
    Look at the following picture of an electric bell. The part of picture labelled by letter X is called:

    A) Electromagnet

    B) Metal spring             

    C) Armature

    D) All of these

    E) None of these

    Correct Answer: A

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