Tuesday 9 April 2013

2.20 describe experiments to investigate how insulating materials can be charged by friction

Get a polyethene rod and rip up some small pieces of paper; the rod will have no effect on the paper.
Rub the polyethene rod with a cloth, now the rod will attract the pieces of paper, this is because it now has a charge they are attracted to.
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10 comments:

  1. Mohammed10 June 2014 at 09:37

    thanks for helping

    ReplyDelete
  2. Unknown11 June 2014 at 13:24

    This comment has been removed by the author.

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  3. Unknown11 June 2014 at 13:26

    physics paper tomorrow...

    ReplyDelete
  4. Unknown21 December 2014 at 06:55

    This comment has been removed by the author.

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  5. Unknown22 May 2016 at 02:54

    You spelt Polyethylene wrong...
    Just pointing that out.

    ReplyDelete
  6. Miracle Electronics11 January 2017 at 04:37

    So Transformer oil act as liquid dielectric and coolant and it is placed in a tank in which core of the transformer is placed.
    Power transformers in India | Toroidal transformer in India

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