技術(shù)干部繼續(xù)教育企業(yè)供電繼續(xù)教育單項(xiàng)選擇題每日一練(2019.03.21)

A.100
B.150
C.200
D.220

A.0.35
B.1
C.1.5
D.2

A.10
B.20
C.30
D.50

A.100A
B.90A
C.80A
D.70A

A.4Ω
B.10Ω
C.15Ω
D.20Ω