Electrostatics Question 683

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

Options:

A) $ 6\times 10^{18} $

B) $ 7\times 10^{19} $

C) $ 8\times 10^{20} $

D) $ 9\times 10^{21} $

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Answer:

Correct Answer: A

Solution:

[a] Number of protons $ =\frac{1C}{1.66\times {{10}^{-19}}C}\approx 6\times 10^{8} $



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