[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPVa2rjcuPaPTbkryiYgevg5tIfi8y-Gh46XXMmRQO0g":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":25,"type":73},[],"2025-12-26 08:28:33",287149351,[8,9],"正确","错误",{"courseId":11,"courseImg":12,"courseName":13},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","220V 40W的灯泡在110V电压上时功率还是40W",[16,27,36,45,53,62,68,74,77],{"answer":17,"createTime":5,"id":18,"options":19,"question":24,"source":25,"type":26},[],287149344,[20,21,22,23],"35V","40V","25V","5V","已知A点的电位是20V,B,点的电位是15V,则A、B二点间的电压\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F907d2520765e36aceec68f3332eb846d.webp\">=( )","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":35,"source":25,"type":26},[],287149345,[31,32,33,34],"P=\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff91bac7dea8198b12d8ef446b061168c.webp\">","P=\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F01e4f2b1dfcf078d63dafc2998c7691b.webp\">R","P=U\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd95b41b0132546d36f772e78e1837d0c.webp\">","P= \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe17a6d76bacf6cb2ff669e6f072f5d25.webp\">","以下计算功率的公式错误的是( )",{"answer":37,"createTime":5,"id":38,"options":39,"question":44,"source":25,"type":26},[],287149346,[40,41,42,43],"100","50","40","200","一度电可以供&quot;220v、25w的灯泡正常工作( )小时",{"answer":46,"createTime":5,"id":47,"options":48,"question":52,"source":25,"type":26},[],287149347,[49,50,51],"交流","脉动直流","直流","方向不变,而大小变化的是( )电流",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":25,"type":26},[],287149348,[57,58,59,60],"和实际方向相反","唯一确定的","任意设定的","和实际方向相同","电流和电压的参考方向是( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":25,"type":67},[],287149349,[],"若Uab=10V,a点电位Va为6V,则b点电位Vb为 V",2,{"answer":69,"createTime":5,"id":70,"options":71,"question":72,"source":25,"type":73},[],287149350,[8,9],"电路中参考点改变,各点的电位不变",3,{"answer":75,"createTime":5,"id":6,"options":76,"question":14,"source":25,"type":73},[],[8,9],{"answer":78,"createTime":5,"id":79,"options":80,"question":81,"source":25,"type":73},[],287149352,[8,9],"1mA=\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F557492ddd221d1f285799408f3efb688.webp\">uA"]