Respostas

2014-07-12T10:50:05-03:00
Q = n * e

i = Q / /\t
i = n * e / /\t

2mA = 2*10^-3A

2*10^-3 = 10^12 * 1,6*10^-19 / /\t
2*10^-3 / 1,6*10^-7 = /\t
2*10^4 / 1,6 = /\t

/\t = 1,25*10^4 segundos

/\t = 12500 segundos
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