[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$foqfCt1f54TlOqDBcDE1GiYK5PxlM2UBMM3mAZrMYkCc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":24,"type":25},[],"2025-09-24 09:23:03",217965736,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},7,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_45026767","4.1.2节在线测试题","稳态时,电容C在一个周期内的平均电流为零",[19,26,31,36,41,44,49],{"answer":20,"createTime":5,"id":21,"options":22,"question":23,"source":24,"type":25},[],217965732,[8,9],"升降压式直流斩波电路是反极性斩波电路","v1",3,{"answer":27,"createTime":5,"id":28,"options":29,"question":30,"source":24,"type":25},[],217965733,[8,9],"Cuk斩波电路优点是直流输入电流和负载输出电流连续,脉动成分较小",{"answer":32,"createTime":5,"id":33,"options":34,"question":35,"source":24,"type":25},[],217965734,[8,9],"Cuk斩波电路与升降压式斩波电路的输出表达式完全相同",{"answer":37,"createTime":5,"id":38,"options":39,"question":40,"source":24,"type":25},[],217965735,[8,9],"全桥式直流斩波电路 输出电压Uo与负载电流io的大小和方向有关",{"answer":42,"createTime":5,"id":6,"options":43,"question":17,"source":24,"type":25},[],[8,9],{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":24,"type":25},[],217965737,[8,9],"电路处于稳态时,每个周期内电感电压uL对时间的积分值为零",{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":24,"type":25},[],217965738,[8,9],"全桥式直流斩波电路是一种复合型斩波电路"]