题目内容：
在由555定时器组成的多谐振荡器中，控制电压Uco不变，增大电源电压Vcc时，振荡频率会升高。
A.正确
B.错误
参考答案：
选择题：在由555定时器组成的多谐振荡器中，控制电压Uco不变，增大电源电压Vcc时，振荡频率会升高。
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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