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Grade 8Electric Current

When a glass rod is rubbed with resin,a mass of 27.3 x 10-14 g is transferred from glass rod to resin .Find the amount charge acquired by the glass rod(Given,charge of electron=1.6 x10-19 C,Mass of electron=9.1x10-31 kg

Profile image of Navoneel Sen
7 Years agoGrade 8
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1 Answer

Profile image of Vikas TU
7 Years ago
The number of electrons transferred from the glass rod to resin is: 
=> 27.3 x 10-14 / 9.1x10-28
=> 3.1 x 1014
 
Amount of charge acquired =>  3.1 x 1014 x 1.6 x10-19 C
                               => 4.96 x 10-5 C

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