构成冲击电压发生器基本回路的元件有冲击性主电容C1,负荷电容C2,波头电阻R1和波尾电阻R2。为了获得一很快由零上升到峰值然后较慢下降的冲击电压,应使()
A.C1>>C2 ,R1>>R2
B.C1>>C2 ,R1
C.C1>R2
D.C1
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正确答案: B 答案分析:无
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