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![[Post New]](/templates/default/images/icon_minipost_new.gif) 15 Mar 2008 22:37:41 IST
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why do insulators get charged easily by friction ?please explain require it for my boards .... answers to be rated
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there is no way to iit rather iit is the way !! |
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15 Mar 2008 23:29:25 IST
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that is bcoz of accumulation of static charge on the surface of insulator!!
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Remember Cedric. Remember, if the time should come when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory.
Albus Dumbledore
Goblet of Fire, Chapter 37, Page 724
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15 Mar 2008 23:41:59 IST
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ash gal is quite right i too agree with it
Rubbing two non-conductive objects generates a great amount of static electricity. This is not just the result of friction; two non-conductive surfaces can become charged by just being placed one on top of the other. Since most surfaces have a rough texture, it takes longer to achieve charging through contact than through rubbing. Rubbing objects together increases amount of adhesive contact between the two surfaces. Usually insulators, e.g., substances that do not conduct electricity, are good at both generating, and holding, a surface charge
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16 Mar 2008 09:20:05 IST
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even conductors would easily get charged provided you dont hold them in your hand because once you do so the metal's potential is brought down to zero immediately
but for non-conductors such a conduction is not possible so electrons cannot flow from the insulator ot earth or earth to insulator so they 'remain charged'.
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science-
the most fundamental
the most eternal
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