Ampere (A): multiples and submultiples 
Simbol: A
The ampere is often shortened to amp (plural amps). Definition of the ampere states that is defined by taking the fixed numerical value of the elementary charge e to be 1.602176634×10⁻¹⁹ when expressed in the unit C 1 ampere = 1 siemens volt 1 ampere = 1 volt/ohm 1 ampere = 1 watt/volt 1 ampere = 1 weber/henry 
