[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fBJ_lEXf9meJvhEcSGLHo9Lmoa3TyvX7XHMyVp9Le6ps":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-01-07 12:37:02",305646378,[8,9,10,11],"UBE > 0,UBC > 0","UBE > 0,UBC < 0","UBE < 0,UBC > 0","UBE < 0,UBC < 0",{"courseId":13,"courseImg":14,"courseName":15},"021c3e3a147a9f8fe343ece94e0e8965","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F10f4161f3569267238ce34429178625c.png","电子技术 1313251002","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",[18,23,32,41,49,54,59,64,70],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],305646379,[27,28,29,30],"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":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],305646380,[36,37,38,39],"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":42,"createTime":5,"id":43,"options":44,"question":47,"source":21,"type":48},[],305646381,[45,46],"正确","错误","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":50,"createTime":5,"id":51,"options":52,"question":53,"source":21,"type":48},[],305646382,[45,46],"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":55,"createTime":5,"id":56,"options":57,"question":58,"source":21,"type":48},[],305646383,[45,46],"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":60,"createTime":5,"id":61,"options":62,"question":63,"source":21,"type":48},[],305646384,[45,46],"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",{"answer":65,"createTime":5,"id":66,"options":67,"question":68,"source":21,"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":21,"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"]