1.

1 C charge is equivalent to charge on how much number of protons?

A. \[6\times {{10}^{18}}\]           
B.        \[7\times {{10}^{19}}\]
C. \[8\times {{10}^{20}}\]           
D.        \[9\times {{10}^{21}}\]
Answer» B.        \[7\times {{10}^{19}}\]


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