[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f57ntcmqyPBE3hutf-tsh1-ZnBEUIhUIXM5wtjTqii00":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":25,"type":50},[],"2026-01-07 12:37:02",305646384,[8,9],"正确","错误",{"courseId":11,"courseImg":12,"courseName":13},"021c3e3a147a9f8fe343ece94e0e8965","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F10f4161f3569267238ce34429178625c.png","电子技术 1313251002","试题类型 判断题 题目 用万用表欧姆档的不同量程去测二极管的正向电阻,其数值是相同的. 分值 1",[16,27,36,45,51,56,61,64,70],{"answer":17,"createTime":5,"id":18,"options":19,"question":24,"source":25,"type":26},[],305646378,[20,21,22,23],"UBE > 0,UBC > 0","UBE > 0,UBC < 0","UBE < 0,UBC > 0","UBE < 0,UBC < 0","试题类型 单选题 题目 NPN型晶体管处于饱和工作状态时的外部条件是( ). 分值 2","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":35,"source":25,"type":26},[],305646379,[31,32,33,34],"电压控制电压的器件","电压控制电流的器件","电流控制电流的器件","电流控制电压的器件","试题类型 单选题 题目 半导体三极管是一种( ). 分值 2",{"answer":37,"createTime":5,"id":38,"options":39,"question":44,"source":25,"type":26},[],305646380,[40,41,42,43],"发射结正偏、集电结反偏","发射结正偏、集电结正偏","发射结反偏、集电结正偏","发射结反偏、集电结反偏","试题类型 单选题 题目 晶体管处于截止状态的偏置条件是( ). 分值 2",{"answer":46,"createTime":5,"id":47,"options":48,"question":49,"source":25,"type":50},[],305646381,[8,9],"试题类型 判断题 题目 三极管的电流放大系数β随着温度的增加而增大. 分值 1",3,{"answer":52,"createTime":5,"id":53,"options":54,"question":55,"source":25,"type":50},[],305646382,[8,9],"试题类型 判断题 题目 三极管的发射区和集电区由同一类半导体构成,所以发射极和集电极可相互调换使用. 分值 1",{"answer":57,"createTime":5,"id":58,"options":59,"question":60,"source":25,"type":50},[],305646383,[8,9],"试题类型 判断题 题目 NPN型三极管,当UBE<0时,发射结与集电结一样处于正向偏置. 分值 1",{"answer":62,"createTime":5,"id":6,"options":63,"question":14,"source":25,"type":50},[],[8,9],{"answer":65,"createTime":5,"id":66,"options":67,"question":68,"source":25,"type":69},[],305646385,[],"试题类型 简答题 题目 测得放大电路中晶体管的各极直流电位如图1所示,在圆圈中画出管子,标出上、中、 下三个管脚符号并说明它是硅管还是锗管. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9d0e770a34b84373bc3c312f75f80ffa.png\"> 分值 5",4,{"answer":71,"createTime":5,"id":72,"options":73,"question":74,"source":25,"type":69},[],305646386,[],"试题类型 简答题 题目 为使NPN型管工作在放大状态,应在其外部加什么样的电压? 分值 5"]