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Home  >>  AIMS  >>  Class12  >>  Physics  >>  Electric Charges and Fields

Calculate the charge carried by $12.5 × 10^{18}$ electrons.

$\begin{array}{1 1}(A)\;2\;c\\ (B)\;4\;c \\(C)\;3\; c \\(D)\; 6\;c\end{array} $

1 Answer

$Q = 12.5 × 10^{18} × 1.6 × 10^{–19}$
$\quad=2c$
Hence A is the correct answer.
answered May 28, 2014 by meena.p
 

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