Resposta :
i = Q / /\t
8A = Q / 1s
Q = 8C
Q = n * e
8 = n * 1,6*10^-19
8 *10^19 / 1,6 = n
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n = 5*10^19 elétrons
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8A = Q / 1s
Q = 8C
Q = n * e
8 = n * 1,6*10^-19
8 *10^19 / 1,6 = n
*************************
n = 5*10^19 elétrons
*************************