[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9mR_rn9GeN6WlW4d7DYmtXXoNnC18ylZyPrUJIB5nIA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":29,"type":55},[],"2025-05-28 22:52:54",191770529,[8,9,10,11],"100V","120V","90V","45V",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},25,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_42088699","第六章 辩护与代理","在带电容滤波的单相桥式整流电路中,如果电源变压器次级电压的有效值为100V,则负载电压为( )",[21,31,36,41,47,56,65,73,76,82],{"answer":22,"createTime":23,"id":24,"options":25,"question":28,"source":29,"type":30},[],"2025-05-28 22:52:52",191770497,[26,27],"正确","错误","滤波电路的重要作用是把交流电变成直流电.( )","v1",3,{"answer":32,"createTime":23,"id":33,"options":34,"question":35,"source":29,"type":30},[],191770501,[26,27],"整流的目的在于把直流变成交流( )",{"answer":37,"createTime":23,"id":38,"options":39,"question":40,"source":29,"type":30},[],191770505,[26,27],"桥式整流电路在接入电容滤波后,输出直流电压会升高",{"answer":42,"createTime":43,"id":44,"options":45,"question":46,"source":29,"type":30},[],"2025-05-28 22:52:53",191770509,[26,27],"硅稳压管稳压电路如图所示,这个电路能输出10V的直流电压.( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F461e171f889057a68428a5175f1c6bfb.jpg\">答案",{"answer":48,"createTime":43,"id":49,"options":50,"question":54,"source":29,"type":55},[],191770514,[51,52,53],"将交流变为直流","将正弦波变为方波","将交、直流混合量中的交流成分滤掉","稳压电源电路中,整流的目的是( )",0,{"answer":57,"createTime":43,"id":58,"options":59,"question":64,"source":29,"type":55},[],191770520,[60,61,62,63],"增大","减小","基本不变","不变\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa2cbc2c073a13d35f94e63c47887ee96.jpg\">","设下图中电路正常工作,当电网电压波动而使u2增大时(RL不变),则IZ ( ),IR( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":72,"source":29,"type":55},[],191770526,[69,70,71],"5 V","1.4V","8.6 V \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5376f9e328e9994b552bc394aa06f066.jpg\">","已知直流稳压电路如图所示,则输出电压U0为( )",{"answer":74,"createTime":5,"id":6,"options":75,"question":19,"source":29,"type":55},[],[8,9,10,11],{"answer":77,"createTime":5,"id":78,"options":79,"question":80,"source":29,"type":81},[],191770532,[],"单相半波整流电路的输出直流电压为110V,直流电流为1.38A,则二极管中的平均电流为 A;二极管承受的反压是 V(保留1位小数)",2,{"answer":83,"createTime":5,"id":84,"options":85,"question":86,"source":29,"type":81},[],191770535,[],"单相桥式整流电路的输出直流电压为36V,直流电流为1.5A,则二极管中的平均电流为 A;二极管承受的反压是 V(保留1位小数)"]