單項選擇題
A.30°～45° B.30°～50° C.30°～60° D.45°～60°
A.30° B.45° C.10° D.15°
A.30° B.45° C.60° D.75°
A.1/800 B.1/900 C.1/1000 D.1/1200
A.25°～10° B.10°～15° C.1°～5° D.15°～30°
A.25％ B.20％ C.15％ D.5％
A.1.2倍 B.1.3倍 C.1.5倍 D.1.6倍
A.1/3～2/3 B.1/3～1/2 C.1/4～3/4 D.1/5～2/5
A.0.2m B.0.3m C.0.4m D.0.5m
A.10Ω B.15Ω C.20Ω D.25Ω
A.2m B.3m C.4m D.5m
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