Saturday, 8 September 2012
Magnets
The magnetic field of a bar magnet revealed by iron filings on paper. A sheet of paper is laid on top of a bar magnet and iron filings are sprinkled on it. The needle shaped filings align with their long axis parallel to the magnetic field. They clump together in long strings, showing the direction of the magnetic field lines at each point.
Magnets
Hi friends
Today I am going to show what is about a magnet and what can a magnet do with a nail
Today I am going to show what is about a magnet and what can a magnet do with a nail
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