选择题:为了避免50Hz电网电压的干扰进入放大器,应选用()滤波电路。

  • 题目分类:慕课
  • 题目类型:选择题
  • 号外号外:注册会员即送体验阅读点!
题目内容:

为了避免50Hz电网电压的干扰进入放大器,应选用()滤波电路。

A.带阻

B.低通

C.高通

D.带通

参考答案:

The rhyme scheme of Spenserian sonnet is abab bcbc cdcd ee,

The rhyme scheme of Spenserian sonnet is abab bcbc cdcd ee, which is very distinctive from that of Shakespearean sonnet:

查看答案

In The Jolly Corner, Alice Staverton is Brydons()。

In The Jolly Corner, Alice Staverton is Brydons()。这是一个关于英美文学选读的相关问题,下面我们来看

查看答案

In(), Stephen Cranes materpiece, the accident of war makes a

In(), Stephen Cranes materpiece, the accident of war makes a young man seem to be a hero.War changes men into animals.In

查看答案

Which of the following is Hemingway’s Spanish Civil War nove

Which of the following is Hemingway’s Spanish Civil War novel?这是一个关于英美文学选读的相关问题,下面我们来看

查看答案

皮娜·鮑什版舞剧《春之祭》运用什么道具?

皮娜·鮑什版舞剧《春之祭》运用什么道具?这是一个关于舞剧 泥土 走进舞蹈艺术的相关问题,下面我们来看

查看答案