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Grade: 

                        
A gold coin has a charge of + 10-4 C, The number of electrons removed from it is (a) 106 (b) 1.6 x 1010 (c) 1.6 x 1025 (d) 1.6 x 10
5 years ago

Answers : (1)

Sumit Majumdar
IIT Delhi
askIITians Faculty
137 Points 
							The number of electrons removed are:
\frac{10^{-4}}{1.6\times10^{-19}}=0.625\times10^{15}=6.25\times10^{14}
5 years ago
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