Charge And current Of Electric. Explain something?

[Mmx]

I today learn about chrage of electric and Arus/ current electrici? I am not really know in english cause mine is in Malay. I just want to know something that the calculation of Electricity

Charge of electric formula is Q=nq : (C) columba correct me if I am wrong.
A electric current( not sure right pronounsation) formula is I=Q/t

Example question that i want to ask y this happens.

A charge if electric is 1 x 10^-9 C
Find the number of electrons that flows every second ( i want to find how many electrons flows every 1 second)

Answer :
Q/t=nq/t
I = nq/t
I/q = n/t
(1 x 10^-9) / (-1.60 x 10^-19) = n/t
n/t = 6.25 x 10^12 <----- It should be ( -6.25 x 10^12)

but y izzit positif? I learn that if you count amount of electron in a object then its suppose to be neagatif as answer? My teacher said something about science term that there is no negatif value. I am not really sure wat it mean can some one explain more detail? If I am wrong anything please correct is also. Thx

 

[finchie_88]

You're talking about electrons, so the value that you were given for the charge has to be negative, since when does an electron have a positive charge? (positrons don't count). Also, it makes sense that it should be positive, since how can you have a negative number of electrons? It's simply a number, there are no units and it is not a vector quantity, so it should be positive. Hope that helps.

 

[Mmx]

But if you count a electron wouldn't it will be negatif? but instead this case is positive unless you are counting a proton. Any other eplanation other then finchie_88 answer? Thx finchie_88 for your answer also.