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【单选题】
下列选项中,( )不是常用电力晶体管GTR。

达林顿
GRT模块
IPM
【判断题】
电子调节器中稳压被击穿时,其大功率晶体管定处于导通状态。()

正确
错误
【简答题】
晶体管控制无触点电子点火系可[填空]初级电流.从而提高次级电压.

【判断题】
晶体管接在电路中,测得它得三个管脚电位分别为10.5V、6V、6.7V,说明这个晶体管PNP

正确
错误
【判断题】
BJT三极种流控器件

正确
错误
【判断题】
N型半导体多数载流子自由电子,因此N型半导体带负电。

正确
错误
【单选题】
电流法检测电子线路时,可以迅速找出晶体管发热、电源变压器等元器件发热原因,也是检测各管子和集成电路工作状态常用手段。电流法检测时,常需要______电路。

连接
捆绑
抓紧
断开
【单选题】
基本放大电路中,经过晶体管信号有______。

直流成分
交流成分
交直流成分均有
集电级电路
【单选题】
生长发育评价中最重要和最常用形态指标(   )。

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【单选题】
生长发育评价中最重要和最常用形态指标( )

身高、体重
头围、胸围
身高、胸围
体重、头围