Question

An electrician experienced a mild shock when he accidentally touched a wire carrying 5.0 A for 1.5 s.

a.) How many coulombs of charge flow through the electrician?

b.) How many electrons constitute the given current?

Answer 1

(a)

$$q=It\\=\rm 5.0\: A\times 1.5\: s=7.5\; C$$

(b)

$$N=\frac{q}{e}\\ =\frac{7.5}{1.6*10^{-19}}=4.7*10^{19}$$