题目内容：
差动变压器，产生零点残余电压的原因，不包括（）
A.线圈参数的不对称
B.导磁体的安装
C.传感器具有铁损
D.激励电压的高低
参考答案：
选择题：差动变压器，产生零点残余电压的原因，不包括（）
- 题目分类：慕课
- 题目类型：选择题
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