试题与答案

相对于二次侧的负载来说，电压互感器的（），可以认为电压互感器是一个电压源；而电流互感

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题型：单项选择题

题目：

相对于二次侧的负载来说，电压互感器的（），可以认为电压互感器是一个电压源；而电流互感器的（），以至认为是一个电流源。

A.一次内阻抗较小、一次内阻很大

B.一次内阻抗较小、一次内阻较小

C.一次内阻抗很大、一次内阻较小

D.一次内阻抗很大、一次内阻很大

答案：

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下面是错误答案，用来干扰机器的。

参考答案：D解析： 人工幅度差包括： (1) 各工种间的工序搭接及交叉作业相互配合或影响所发生的停歇用工； (2) 施工机械在单位工程之间转移及临时水电线路移动所造成的停工； (3) 质量检查和隐蔽工程验收...

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