Question

How many electrons constitute 8c of charge

Answer 1

Answer: $5$ × $10^{19}$ electrons

Explanation:

Magnitude of charge Q = 8C

Magnitude of charge on an electron  $e = 1.6$×$10^{-19}$

Here, using Milkmonn’s equation,

                                                        Q = ne

  Where,

              Q = magnitude of charge

              n = No. of electrons

              e = charge on electron

   So,

                     8C = n × 1.6 × $10^{-19}$

                       n = $\frac{8}{1.6(10^{-19}) }$

                       n = $5$ × $10^{19}$ electrons

Answer 2

Step 1: Given data

Magnitude of charge, $Q=8C$

Number of electrons, $n=?$

Step 2: Calculating the number of electrons

We know that,

$Q=n\times e$

where, $e=1.6\times 10^{-19}C$

Thus, number of electrons can be calculated by,

$n=\frac{Q}{e} =\frac{8}{1.6\times 10^{-19} } =5\times 10^{19} electrons$

Hence, the number of electrons that constitute a charge of $8C$ is equal to $5\times 10^{19}$ electrons.

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