[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f3On2fVIkmkZdkGSPWTT9xflbNcFwrsQZ37NlntPrzzI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":23,"type":72},[],"2026-05-30 22:47:52",393619257,[8,9,10,11],"可以去耦等效为这样一个电路\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44cbf225954b4c2fce4879fc9a45612a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44cbf225954b4c2fce4879fc9a45612a.png\">这个电路中,若L1=10mH,L2=20mH,M=10mH,C=50μF,ω=1000rad\u002Fs,R1=40Ω,则电路的总阻抗为22.5-j10Ω","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44cbf225954b4c2fce4879fc9a45612a.png\">这个电路中,若电压\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1047e043ab44ba1cc5ac63c36ae01c3e.png\">=10∠0°V,总阻抗Z=22.5-j10Ω,则电流\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F071e2f71f3f1d43b3a2e4a49510b2804.png\">的有效值为0.41A","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44cbf225954b4c2fce4879fc9a45612a.png\">这个电路中,若电流\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F071e2f71f3f1d43b3a2e4a49510b2804.png\">的有效值为0.41A,则支路电流\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F36b115254ebd59eb7f81e993b5e19a1e.png\">的有效值一定小于0.41A",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fafc3ee73b1a0ee5378bb443ef0752022.png\">若要求解图示耦合电路,以下说法正确的是",[18,25,30,35,40,45,53,58,63,73],{"answer":19,"createTime":5,"id":20,"options":21,"question":22,"source":23,"type":24},[],393619247,[],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F45e250a656857a656a2e4713b9ca6c1f.png\">,这里的K叫做 系数,K= 时,无耦合,K= 时,全耦合,0<K<0.5时, 耦合","v1",2,{"answer":26,"createTime":5,"id":27,"options":28,"question":29,"source":23,"type":24},[],393619248,[],"两个具有耦合关系的电感线圈顺向串联后等效电感为20mH,反向串联后等效电感为8mH,则互感系数M = mH,如果其中一个电感为8mH,则另一个电感为 mH",{"answer":31,"createTime":5,"id":32,"options":33,"question":34,"source":23,"type":24},[],393619249,[],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5e6b2a441e8f493693015c20c4ba8bc8.png\">图中耦合电感为 向串联,如果L1=8H,L2=10H,M=3H,则去耦等效电感为 H",{"answer":36,"createTime":5,"id":37,"options":38,"question":39,"source":23,"type":24},[],393619250,[],"两个耦合线圈绕在由 材料制成的心子上组成空心变压器,与电源相连的一边称为 边,与负载相连的一边称为 边",{"answer":41,"createTime":5,"id":42,"options":43,"question":44,"source":23,"type":24},[],393619251,[],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcfdd2fb37709dd932fb66893be30ba83.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdf5cad38419f25f631575ea62d4c18f7.png\"> 根据理想变压器的阻抗变换特性可计算得图中理想变压器的 原边输入阻抗为 Ω;电流\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c5187b700ed522a54ec05cae3d3f79a.png\">的有效值为 A;初相位为 度",{"answer":46,"createTime":5,"id":47,"options":48,"question":51,"source":23,"type":52},[],393619252,[49,50],"正确","错误","理想变压器不是全耦合变压器",3,{"answer":54,"createTime":5,"id":55,"options":56,"question":57,"source":23,"type":52},[],393619253,[49,50],"当两个耦合电感串联时,若电流从同名端流入,则等效电感减小",{"answer":59,"createTime":5,"id":60,"options":61,"question":62,"source":23,"type":52},[],393619254,[49,50],"空心变压器是全耦合变压器",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":23,"type":72},[],393619255,[67,68,69,70],"1和2为同名端","1和2'为同名端","3和2为同名端","3和2'为同名端","图中关于同名端的判断正确的是:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2520e5beda0f813596c1558ffed6b162.png\">",1,{"answer":74,"createTime":5,"id":75,"options":76,"question":81,"source":23,"type":72},[],393619256,[77,78,79,80],"本身无损耗","耦合因数K=1,为全耦合","L1、L2和M为无限大,且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F732bb4b400e8c96222cfbde99357f0d6.png\">=\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd95d4a40091a4c35432a794fe7b38b25.png\">=n,n为匝数比","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd95d4a40091a4c35432a794fe7b38b25.png\">=\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7178b6da4767537ca20538da0af745b6.png\">=n,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F919edff8288894ec55a50171899451ed.png\">=\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fabb7f8f66721b8b30ea30924a0737a75.png\">=\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F02cc13d9ae15fd73b3067cf5298890aa.png\">","关于理想变压器,下列说法正确的是"]