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+1 vote
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in Electrostatics by (74.3k points)
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A polythene piece rubbed with wool is found to have a negative charge of 3 x 10−7 C. 

(i) Estimate the number of electrons transferred (from  which to which?) 

(ii) Is there a transfer of mass from wool to polythene?

1 Answer

+1 vote
by (69.0k points)
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Best answer

electrons should be present in polythene.

∴ Direction of flow of electrons is from wool to polythene.

(ii) Yes, since electrons have mass, there is mass transfer

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