搜索优化
English
全部
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
搜索
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
按相关度排序
按时间排序
15 天
用万用表确定三极管的种类和3个极性
三极管 种类大致分2种,一种NPN型 三极管 ,另外一种为PNP 三极管 。三极管由2个PN结组成。因此,我们可以将三极管看作由2个二极管组成。通过下图可以知道,三极管的公共端为B极(基极)。
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
US launches strikes in Yemen
Trump signs funding bill
Sworn in as Canada's PM
Child abuse images sentence
Texas measles outbreak
Strikes deal with DOGE
Syed formally resentenced
Plane engine catches fire
Coffee creamer recall
Top intelligence agency visit
US expels SA ambassador
Court lifts Trump's DEI block
Felony gun possession arrest
Permanently shuts route
Withdraws nomination
Consumer sentiment drops
Second protester arrested
Severe weather outbreak
‘Ted Lasso’ is coming back
Gold rises to new heights
Senate confirmation hearing
ISIS leader killed in Iraq
Influential WY senator dies
To cut 2,000+ jobs
Pleads not guilty
Influencer leaves Australia
Laceration hazard recall
Wins longest-ever Iditarod
Chiefs sign Tillery
反馈