题目内容：
欲将电压信号转换成与之成比例的电流信号，应在放大电路中引入
A.电压串联负反馈
B.电压并联负反馈
C.电流串联负反馈
D.电流并联负反馈
参考答案：
选择题：欲将电压信号转换成与之成比例的电流信号，应在放大电路中引入
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- 题目类型：选择题
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