$1 \mathrm{C}$ charge is equivalent to charge on how much number of protons?

$1 \mathrm{C}$ charge is equivalent to charge on how much number of protons?
  1. $6 \times 10^{18}$
  2. $7 \times 10^{19}$
  3. $8 \times 10^{20}$
  4. $9 \times 10^{21}$

Solution

Number of protons
$=\frac{1 \mathrm{C}}{1.66 \times 10^{-19} \mathrm{C}} \approx 6 \times 10^{18}$ *

Asked in: JEE Mains - Electrostatics - Test 1

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