A.1.1倍 B.1.2~1.3倍 C.1.25~1.5倍 D.2~2.5倍
A.1~1.5倍 B.1.5~2.0倍 C.2.0~3.0倍 D.3.0~4.0倍
A.電流擋 B.電壓擋 C.1kΩ擋 D.10Ω擋