Full name: attoampere
Plural form: attoamperes
Alternate spelling: attoamps
Category type: electric current
Scale factor: 1.0E-18
The SI base unit for electric current is the ampere.
1 ampere is equal to 1.0E+18 attoampere.
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The SI prefix "atto" represents a factor of 10-18, or in exponential notation, 1E-18.
So 1 attoampere = 10-18 ampere.