giorgi system การใช้

• The International Electrotechnical Commission ( IEC ) adopted the Giorgi system with the ampere replacing the ohm in 1935, and this choice of base units is often called the MKSA system.
• In 1938, TC24 " recommended as a connecting link [ from mechanical to electrical units ] the henry, farad, coulomb, and weber ), could equally serve as the fourth fundamental unit . " After consultation, the ampere was adopted as the fourth unit of the Giorgi system in Paris in 1950 ."