皮皮学，免费搜题
登录
搜题
【多选题】
下面关于二极管的交流等效模型，描述正确的是：（）。A.
实际应用中，二极管有时需要在给定的直流静态工作点的基础上，建立它的交流模型的。
B.
二极管的交流模型定义为一个交流等效电阻，其值定义为
C.
依据二极管的交流模型的定义，二极管处在反向截止区时，二端电压的变化值△u为有限值，而二端电流的变化值△i近似为无穷小，于是反向截止区的交流等效电阻近似为无穷大。
D.
二极管导通后的交流等效电阻始终为一个常数值。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】急性心肌梗死患者急需住院治疗,住院处护送人员首先应
A.
办理入院手续卫生处置
B.
进行护理诊断
C.
介绍医院规章制度
D.
氧气吸入，立即用平车送患者入病区
E.
留尿、便标本进行检验
【单选题】Traveling can be fun and easy. A vacation trip to another country is especially enjoyable when the traveling conditions are good. Good traveling conditions【11】a comfortable mode of transportation，know...
A.
include
B.
conclude
C.
hold
D.
contain
【单选题】Traveling can be fun and easy. A vacation trip to another country is especially 【21】______ when the traveling conditions are good. Good traveling conditions 【22】______ a comfortable mode of transporta...
A.
happy
B.
enjoyable
C.
amusing
D.
favorable
【简答题】()是马克思主义关于社会主义核心价值观论述的基本原则
【简答题】阅读理解。 We can not live a modern life without traveling. The fastest way of traveling is by air. With a plane one can travel in one day to places which it took a month or more to get to a hundred years ...
【单选题】Traveling can be fun and easy. A vacation trip to another country is especially 【21】______ when the traveling conditions are good. Good traveling conditions 【22】______ a comfortable mode (方式) of trans...
A.
happy
B.
enjoyable
C.
amusing
D.
favorable
【单选题】Traveling can be fun and easy. A vacation trip to another country is especially enjoyable when the traveling conditions are good. Good traveling conditions (11) a comfortable mode of transportation，kn...
A.
include
B.
conclude
C.
hold
D.
contain
【单选题】Considering that traveling can be dangerous at times, the woman ______.
A.
travels only to safe places
B.
avoids traveling alone as much as possible
C.
very often travels by day
相关题目：
【单选题】急性心肌梗死患者急需住院治疗,住院处护送人员首先应
A.
办理入院手续卫生处置
B.
进行护理诊断
C.
介绍医院规章制度
D.
氧气吸入，立即用平车送患者入病区
E.
留尿、便标本进行检验
参考解析：
知识点：
题目纠错 0
发布
