[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fIQwQahZ5ElKNXq6846Vg6uCKKi5Fp-4tHss8cT7tV0Y":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":32,"type":33},[],"2025-12-07 18:10:52",223382528,[8,9,10,11],"-10","10","11","-11",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},103,"2ce95881d738436291c1dea62657b05b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffd7cec1bfd1af566c4f41d021097cd0f.jpg","模拟电子技术","work_47147608","第六章 选择题","如图所示电路中,已知\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc8437a4a64e7db43eb2a1650218e6d49.webp\">10kΩ,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5d5ae7851664b66b0634c3e06a79c20f.webp\">100kΩ,求深度负反馈条件下的电压放大倍数为( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa3fba3d5bbcbbe76c54a58dd95da7fec.png\">",[21,34,43,52,57,66,75,84,87,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":31,"source":32,"type":33},[],223382521,[25,26,27,28,29,30],"22kΩ和1kΩ电阻:交流电压串联负反馈","22kΩ和1kΩ电阻:交流电压并联正反馈","22kΩ和1kΩ电阻:交流电流串联负反馈","22kΩ和1kΩ电阻:交流电压并联负反馈","22kΩ和1kΩ电阻:交流电流并联负反馈","22kΩ和1kΩ电阻:交流电压串联正反馈","判断下图电路级间反馈的类型. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe5e6dd4b7fa907c32f7a69da86c83ba8.png\">","v1",0,{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":32,"type":33},[],223382522,[38,39,40,41],"直流正反馈","交流负反馈","交流正反馈","直流负反馈","为了抑制温漂,应引入( )",{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":32,"type":33},[],223382523,[47,48,49,50],"电流串联负反馈","电压串联负反馈","电压并联负反馈","电流并联负反馈","以集成运放作为放大电路,引入( )负反馈,可以实现输入电阻低,输出电流稳定的电流放大电路",{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":32,"type":33},[],223382524,[39,38,41,40],"为了稳定放大电路的静态工作点,应引入( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":32,"type":33},[],223382525,[61,62,63,64],"RF:交流电流并联负反馈","RF:交流电压并联负反馈","RF:交流电流并联正反馈","RF:交流电压串联负反馈","判断下图电路的级间反馈类型. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F760afd6cb00b3c5cdb37f83c5b6bb375.png\">",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":32,"type":33},[],223382526,[70,71,72,73],"R5:交直流电流并联负反馈","R5:交直流电压串联正反馈","R5:交直流电流串联正反馈","R5:交直流电流串联负反馈","判断下图电路级间反馈的类型. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8a19c4de5425525f93e19560025a1a57.png\">",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":32,"type":33},[],223382527,[79,80,81,82],"电流","电压","输入电阻","输出电阻","电压负反馈可以稳定输出( )",{"answer":85,"createTime":5,"id":6,"options":86,"question":19,"source":32,"type":33},[],[8,9,10,11],{"answer":88,"createTime":89,"id":90,"options":91,"question":95,"source":32,"type":33},[],"2025-10-22 11:23:36",223382529,[92,93,94],"净输入量减小","净输入量增大","输入电阻增大","对于放大电路,在输入量不变的情况下,若引入反馈后( ),说明引入的是负反馈",{"answer":97,"createTime":5,"id":98,"options":99,"question":104,"source":32,"type":33},[],223382530,[100,101,102,103],"引入负反馈后稳定了输出电压,输入电阻增大,输出电阻减小","引入负反馈后稳定了输出电流,输入电阻减小,输出电阻增大","引入负反馈后稳定了输出电流,输入电阻增大,输出电阻减小","引入负反馈后稳定了输出电压,输入电阻减小,输出电阻增大","在图所示电路中,如果存在反馈,对于引入反馈后电路的性能变化,下列说法中正确的是( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F930c4b7aa223d00df962251009486210.png\">"]