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A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of -1 µC.Thus there will transfer of electron take place.So problem is to find how many electrons will transfer from the wool shirt to the plastic rod?
Since we know 1C charge acquired when `1.6xx10^19` electrons transfered.
`1 C=10^6 mu C`
`10^6 mu C ` acquired when `1.6xx10^19` electrons transfered.
`1 mu C ` accuired when `(1.6xx10^19)/10^6` electrons transfered which equal to
Thus in acquiring `-1 mu C` charge there will `1.6xx10^13` electrons will transfer from wool shirt to plastic rod.
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