[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fIgXBZzQPnrMtWL466Il2RSpq5h-AKHjGlx8n3UYGxYE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-05-11 19:45:05",6068475,[8,9,10,11],"负载功率等于电源功率和内阻功率之和","电源功率等于负载功率和内阻功率之和","电源功率等于负载功率","内阻功率为零",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},25,"9cb84741881d094e2a2d0b6035646973","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4e77c68a721243045d68f309cfa99007.jpg","电工电子技术","23cbe173b1a94afabefbce6d074a23ce","2019级补考","电路处于通路状态下,关于电源、内阻和负载电阻三者功率的四种说法哪一个是对的",[21,32,41,50,53,61,70,78,87,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],6068472,[25,26,27,28],"A. 6W","B. 1W","C. 3W","D.1.5 W","12V\u002F6W的灯泡,接到6V的电源上,灯泡的实际功率是:A. 6W; B. 1W; C. 3W; D.1.5 W","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],6068473,[36,37,38,39],"8Ω","16Ω","6Ω","3Ω","两个阻值分别为4Ω和12Ω的电阻并联在一起,等效电阻为",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],6068474,[45,46,47,48],"R1+R2=R3+R4","R1\u002FR2=R3\u002FR4","R1×R2=R3×R4","R1=R2,R3=R4","如图R1、R2和R3、R4构成桥式电路,桥式电路平衡的条件是:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F91144aa5b721dde25f50db4cfdf5e991.JPG\">",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":5,"id":55,"options":56,"question":60,"source":30,"type":31},[],6068476,[57,58,59],"等效电阻是连个电阻之和:R=R1+R2","两个电阻中的电流相等","两个电阻两端的电压相等","两个电阻并联,电阻分别是R1、R2,各个电阻上流过电流分别是I1、I2,电压分别是U1、U2.下列说法正确的是",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":30,"type":31},[],6068477,[65,66,67,68],"串联很大的电阻","串联较小电阻","并联很大电阻","并联较小电阻","电流表量程小,要扩大量程是将电流表上",{"answer":71,"createTime":5,"id":72,"options":73,"question":77,"source":30,"type":31},[],6068478,[65,74,75,76],"串联较小的电阻","并联很大的电阻","并联很小的电阻","电压表量程小,要扩大量程是将电压表上",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":30,"type":31},[],6068479,[82,83,84,85],"A. 都能正常发光","B.甲能正常发光.","C. 甲和乙都不能正常发光","D. 乙能正常发光","将灯泡甲220V60W和灯泡乙220V25W串联在一起接到220V的电源上A. 都能正常发光; B.甲能正常发光. ; C. 甲和乙都不能正常发光 ; D. 乙能正常发光",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":30,"type":31},[],6068480,[91,92,93,94],"Var","W","VA","μF","下列哪组字符是无功功率Q的单位A. Var; B. W; C. VA; D.μF",{"answer":97,"createTime":5,"id":98,"options":99,"question":103,"source":30,"type":31},[],6068481,[100,101,102],"20V","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1f89b2a2a1fc98e62567d6bbe5584035.webp\"> V","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c7f901a9f589de9e51c2d2af9d7c588.webp\">V","已知一个2Ω的电阻,通过电阻的电流是:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2fcda0650ae75b15eab90992b90d9762.webp\">A,求电阻上电压的有效值"]