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  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Sample Paper - 6

  • question_answer
    Distinguish between a bar magnet and an electromagnet

    Answer:

    Difference between a bar magnet and an electromagnet:
    S. No. Bar magnet Electromagnet
    (i) It is permanent magnet. It- is a temporary magnet.
    (ii) Its strength cannot be changed. Its strength can be changed.
    (iii) Its uses are limited. Its uses are more wide.


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