额产强 called 2) The unit of electrical capacitance(电容单 位) is called 3) Aunit of electric current is called 4)An International System unit of power is called 5) The International System unit of electric potential and electromotive(电动势) )is called◼ 1）A unit of electrical resistance (电阻单位) is called . ◼ 2) The unit of electrical capacitance （电容单 位） is called . ◼ 3）A unit of electric current is called ◼ . ◼ 4) An International System unit of power ◼ is called . ◼ 5) The International System unit of electric potential and electromotive (电动势)is called ◼