[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-ORsAJhzEmaXBRnb85THCnqa7YtoP1j_Jbn9rc8xbL8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":12,"related":13,"source":19,"type":20},[],"2025-12-31 09:58:16",296543564,[],{"courseId":9,"courseImg":10,"courseName":11},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","下图所示电路中,已知Us、Is均为正值,则电压源 功率.电流源 功率. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9391e9e681d90c636026007b50521fd3.png\">",[14,21,26,31,36,39,44,49,54,59],{"answer":15,"createTime":5,"id":16,"options":17,"question":18,"source":19,"type":20},[],296543556,[],"当电路中电流的参考方向与电流的真实方向相同时,该电流为 值.当电路中电流的参考方向与电流的真实方向相反时,该电流为 值.(填"正"、"负"或"零")","v1",2,{"answer":22,"createTime":5,"id":23,"options":24,"question":25,"source":19,"type":20},[],296543558,[],"图示电路中,元件A的电压电流为 参考方向,元件B的电压电流为 参考方向. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F017147953567f2d4594362e45b2449ca.png\">",{"answer":27,"createTime":5,"id":28,"options":29,"question":30,"source":19,"type":20},[],296543560,[],"已知电位\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd6118bae680e29c808386acd788b2b83.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdae121720607443f581fb7805899397d.png\">,则电压\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7857e5f595304bfabe282197cc8ef754.png\">为 V.若两点间的电压\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd89bbb9aa6248846555c741b8814c028.png\"> ,a点电位\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1b095b43ecc15ff1414621b666f58088.png\"> ,则b点电位\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F96e88fc7cce7056e83641cddba1616d4.png\"> V",{"answer":32,"createTime":5,"id":33,"options":34,"question":35,"source":19,"type":20},[],296543562,[],"元件的电压电流取关联参考方向时,用\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1e1fbc589ca47095be87461c9b0f5ed8.png\">计算的功率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F05cf8ab70af7bbed6fcfd145329523d0.png\">,则该元件实际________功率.用\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1e1fbc589ca47095be87461c9b0f5ed8.png\">计算的功率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11c6728e90a47e799ddc986e3cabe2bc.png\">,则该元件实际____ 功率.元件的电压电流取非关联参考方向时,用\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1e1fbc589ca47095be87461c9b0f5ed8.png\">计算的功率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fddfd9fac4381d7b868547a188dac7623.png\">,则该元件实际___ _功率.用\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1e1fbc589ca47095be87461c9b0f5ed8.png\">计算的功率\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11c6728e90a47e799ddc986e3cabe2bc.png\">,则该元件实际____ 功率",{"answer":37,"createTime":5,"id":6,"options":38,"question":12,"source":19,"type":20},[],[],{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":19,"type":20},[],296543566,[],"1度电可供220V、100W的灯泡正常发光的时间是____________小时.1度电可供220V、40W的灯泡正常发光的时间是____________小时.已知某一电器用电10h后消耗的电能是5kWh,则其电功率为____________kW",{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":19,"type":20},[],296543568,[],"将一根导线均匀拉长为原长的3 倍, 则它的阻值为原阻值的 倍",{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":19,"type":20},[],296543570,[],"加在电阻上的电压增大为原来的2倍时,它所消耗的功率增大为原来的________倍",{"answer":55,"createTime":5,"id":56,"options":57,"question":58,"source":19,"type":20},[],296543572,[],"电阻元件是一种 元件,电感元件是一种 元件,电容元件是一种 元件.(填"耗能"或"储能")",{"answer":60,"createTime":5,"id":61,"options":62,"question":63,"source":19,"type":20},[],296543573,[],"在直流稳态时,电感元件相当于 ,电容元件相当于"]