Specific charge question Watch
In many cases the sign of the charge is not important. What is important is the magnitude of the ratio.
If you see the specific charge of an electron quoted as 1.76 x 1011Ckg-1 then there is no need to worry about it. You know the charge is negative and the value quoted is just the magnitude of the ratio. If in doubt, when you give the value, put the minus sign in.
because it's wrong, the electron's specific charge is -1.76x1011 C kg-1
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