[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$faE7JeS4IwGn_933hsU66Kj1JGW5Kr6U1bcpvjGP89-8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-11-15 12:17:21",234495780,[8,9,10,11],"D0入,Q3出","D3入,Q3出","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fee5b568c86764e820a9ed1d762acd696.webp\">入,Q3出","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F111aa347ac15823f947f8bd51e69980e.webp\">入,Q0出",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},38,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_166913121","期末考试","74LS194是4位双向通用移位寄存器,当要实现串行右移时,串行右移的输入信号应该加在哪个输入端,输出信号从哪里输出?\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4390aa06bdec43e29c7e8a4d5b4bacce.JPG\">",[21,26,34,42,50,59,68,75,83,91],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":33,"source":24,"type":25},[],234495781,[30,31,32],"观察滞回电压比较器的电压传输特性时,双踪示波器的CH1与输出信号uo相连,CH2与输入信号ui相连","观察滞回电压比较器的电压传输特性时,双踪示波器的CH1与输入信号ui相连,CH2与输出信号uo相连","观察滞回电压比较器的电压传输特性时,双踪示波器的两个通道与输入输出信号的连接没有限制","以下说法正确的是(    )",{"answer":35,"createTime":5,"id":36,"options":37,"question":41,"source":24,"type":25},[],234495782,[38,39,40],"7.2","3.6","9.4","在如图所示的具有RCπ型滤波器的电路中,已知变压器二次侧的交流电压的有效值为6V,若要求负载电压\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F92aa67398949407ef4e8aa350d890428.webp\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fba75fe4cfd79b1451ab920c84ad3bc63.webp\">,电容Uc1两端电压为 V.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed33272b02f5134bb0727b77dc99d0ff.webp\">",{"answer":43,"createTime":5,"id":44,"options":45,"question":49,"source":24,"type":25},[],234495783,[46,47,48],"元件工具栏","仪表工具栏","基本工具栏","在Multisim中放置电压、电流表头,需要在( )中单击放置显示元件",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":24,"type":25},[],234495784,[54,55,56,57],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F69606e29998c179a2217ab6b2cd6dbab.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F396d7af9583ad6c65d34188d4d537f5d.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F402ed6f6e9785f12e440d9cc1014b336.jpg\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa1a17afbe4ad58e61a851c60ddc6a67a.jpg\">","图中所示电路中,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4f1c3f926e43b33b08e027b9dce781a7.jpg\">.开关S合在E1时电路处于稳态,求\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F491657681624059869d2da8c6a72332c.jpg\">时的uc(t)为( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fafd28d685b5a383e8a6e0ea5f9d01e97.jpg\">",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":24,"type":25},[],234495785,[63,64,65,66],"74LS00","74LS194","74LS138","74LS153","从以下芯片中选出双4选1数据选择器,( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":74,"source":24,"type":25},[],234495786,[72,73],"低","高","共集电极放大电路又称为射极输出器,它的输入阻抗(     )<br\u002F>",{"answer":76,"createTime":5,"id":77,"options":78,"question":82,"source":24,"type":25},[],234495787,[79,80,81],"LM324","LM358","741","集成运算放大器非线性应用实验中用到的运算放大器是单运放,其型号是( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":90,"source":24,"type":25},[],234495788,[87,88,89],"2","1","3","双刀双掷开关内部有( )条支路,可通过开关来进行选择",{"answer":92,"createTime":5,"id":93,"options":94,"question":97,"source":24,"type":25},[],234495789,[95,96],"0<br\u002F>","1<br\u002F>","用与非门组成控制门时,A为控制端,B为信号输入端,当A=(      )时,门电路处于关闭状态,信号封锁."]