A) \[1.6\times {{10}^{-19}}C\]
B) \[4.8\times {{10}^{-19}}stat-C\]
C) \[1.76\times {{10}^{-11}}C/kg\]
D) \[1.76\times {{10}^{11}}C/kg\]
Correct Answer: D
Solution :
The ratio of charge [e] to mass [m] is defined as specific charge. \[\therefore \] Specific charge \[=\frac{e}{m}\] For electron \[e=1.6\times {{10}^{-19}}C,\,\,\,m=9\times {{10}^{-31}}kg\] \[\therefore \] Specific charge \[=\frac{1.6\times {{10}^{-19}}}{9\times {{10}^{-31}}}\] \[=1.76\times {{10}^{11}}C/kg\]
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