PDF chapter test TRY NOW

Rubbing a plastic comb on your hair makes the comb get \(–\) 0.7 \(C\). Now, find
(a) Which material would have lost the electron and which one gained it?
(b) How many electrons are transferred in the process? [Note: Enter the answer up to two decimal places.]
 
Answer:
 
(a) The material which lost the electron is  and the material which gained the electron is .
 
(b) Electrons transferred \(=\)  ×1018electrons