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Home  >>  AIMS  >>  Class12  >>  Physics  >>  Electric Charges and Fields
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A polythene piece rubbed with wool is found to have a negative charge of $3 \times 10^{−7}\; C$ Estimate the number of electrons transferred (from which to which?)

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$2 × 10^{12},$ from wool to polythene.
answered Jun 4, 2014 by meena.p
 

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