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A silk cloth has 10 electrons.  The cloth is then used to rub a glass rod.  If the cloth loses 4 electrons, determine:

              a.) The number of electrons gained by the glass rod.

              b.) The number of electrons that remain on the silk cloth.
in Physics by Diamond (81,060 points)
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a) when the silk cloth was rubbed on the glass rod it transferred 4 electrons, so the glass rod gained 4 electrons.


b)that means the remaining charge on the silk cloth is six

we use the law of conservation when charges are transferred.
by Wooden (1,280 points)
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a.) The glass rod will gain 4-e.

b.) 6-e will be left behind.
by Wooden (610 points)

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