A) \[6.25\times {{10}^{18}}\]
B) \[5.26\times {{10}^{28}}\]
C) \[1.6\times {{10}^{19}}\]
D) \[1.6\times {{10}^{21}}\]
Correct Answer: A
Solution :
Charge on the electron\[=1\,\,C\] It is known that \[1.6\times {{10}^{-19}}\] coulomb charge is possessed by one electron, hence, number of electron having one coulomb charge is \[=\frac{1}{1.6\times {{10}^{-19}}}=6.25\times {{10}^{18}}\]
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