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Definition:The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge e to be 1.602 176 634 x 10−19 when expressed in the unit C, which is equal to A s, where the second is defined in terms of ΔνCs. (The International Bureau of Weights and Measures)
1900, Journal of the Franklin Institute, volume 149, page 461:
If the volt, ampere and ohm were taken as the absolute units, the practical units would be the ampere, begohm and begavolt, names just as convenient as ampere, coulomb and farad.