A.154V
B.210V
C.180V
D.174V

A.110V
B.220V
C.180V
D.250V

A.110V
B.220V
C.180V
D.250V

A.0.2
B.50
C.10
D.0.5

A.2
B.50
C.10
D.0.5

A.電壓器
B.電容
C.零電流
D.零電阻

A.電壓器
B.電容
C.體積小
D.不可以頻繁通斷

A.電壓器
B.電容
C.體積小
D.可以頻繁通斷

A.效率較低
B.效率較高
C.3
D.4

A.1
B.0.5
C.0.45
D.0.9