[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ftd3dgVUNjAAsIFvq0xSNypABrGefqg2XL_aRrOOA5CI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":28,"type":29},[],"2025-06-23 16:18:48",207093148,[8,9,10,11],"饱和","放大","截止","击穿",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_42692783","三极管的失真分析","测得电路中三极管的各个电极对地电位如图所示,判断其工作在哪个区? \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe286acb07f4be0bf9df621231e337c64.jpg\">",[21,30,39,42,52,61,70,76,82,91],{"answer":22,"createTime":5,"id":23,"options":24,"question":27,"source":28,"type":29},[],207093116,[8,10,25,26],"交越","频率","共射极放大电路的交流输出波形负半周失真时为( )失真","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":38,"source":28,"type":29},[],207093131,[34,35,36,37],"NPN型,硅管","NPN型,锗管","PNP型,硅管","PNP型,锗管","在三极管放大电路中,今测得三个电极电位分别是0伏,0.7伏,-2伏,是判断三极管是什么类型?什么材料",{"answer":40,"createTime":5,"id":6,"options":41,"question":19,"source":28,"type":29},[],[8,9,10,11],{"answer":43,"createTime":44,"id":45,"options":46,"question":51,"source":28,"type":29},[],"2025-06-23 16:18:49",207093167,[47,48,49,50],"直流负载线的上方","直流负载线的正中间位置","交流负载线的下方","交流负载线的中点上","在共发射极放大电路中,静态工作点一般设置在( )",{"answer":53,"createTime":44,"id":54,"options":55,"question":60,"source":28,"type":29},[],207093175,[56,57,58,59],"饱和失真","交越失真","截止失真","直流失真","在共发射极放大电路中,若静态工作点设置过高,易产生( )",{"answer":62,"createTime":44,"id":63,"options":64,"question":69,"source":28,"type":29},[],207093184,[65,66,67,68],"提高放大能力","使输出信号尽可能地进行不失真地放大","获得合适的输入电阻和输出电阻","使放大器工作稳定","放大电路设置静态工作点的目的是( )",{"answer":71,"createTime":44,"id":72,"options":73,"question":75,"source":28,"type":29},[],207093204,[8,10,25,74],"双向","共射极放大电路的交流输出波形正、负半周失真时为( )失真",{"answer":77,"createTime":78,"id":79,"options":80,"question":81,"source":28,"type":29},[],"2025-06-23 16:18:50",207093218,[56,57,58,59],"在共发射极放大电路中,若静态工作点设置过低,易产生( )",{"answer":83,"createTime":78,"id":84,"options":85,"question":90,"source":28,"type":29},[],207093227,[86,87,88,89],"电流降低","电压降低","电流增大","电压增大","静态工作点稳定的放大回路中,当温度升高时,集电极静态( ),造成静态工作点上移,靠近饱和区,容易引起饱和失真",{"answer":92,"createTime":78,"id":93,"options":94,"question":95,"source":28,"type":29},[],207093245,[8,10,25,26],"共射极放大电路的交流输出波形正半周失真时为( )失真"]