[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqGGpP3JsZdicCqLW0KMa7lrwZVwWQbEHaKY4wArG8Ps":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":16,"related":17,"source":25,"type":41},[],"2024-01-02 01:48:05",981899981,[8,9,10,11,12],"不要乱拉电线,乱接用电设备,更不要利用&quot;一线一地&quot;方式接灯照明","不要在电力线路附近放风筝,打鸟,不在电杆或拉线上拴牲畜","如发现因电气障碍或漏电起火时,立即用水或酸、碱泡沫灭火器灭火","不要在电线上晒衣服","不要用湿手去摸灯口、开关和插座;更换灯泡时,要先关闭开关",{"courseImg":14,"courseName":15},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F159387e6a80f1adad8adaaf16b8079f8.jpg","电路分析（陕西国防工业职业技术学院）","违反安全用电常识的做法有( )",[18,27,32,42,51,60,69,74,83,92],{"answer":19,"createTime":5,"id":20,"options":21,"question":24,"source":25,"type":26},[],981899820,[22,23],"对","错","三相四线制电路中必须要求中性线的可靠连接,中性线要具有足够的机械强度且阻抗要小,中性线上绝对不允许接入熔断器或开关","v2",3,{"answer":28,"createTime":5,"id":29,"options":30,"question":31,"source":25,"type":26},[],981899824,[22,23],"串联谐振时,阻抗最小,且为纯电阻性,电流最小",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":25,"type":41},[],981899842,[36,37,38,39],"电压","电阻","电流","功率","理想电流源向外电路提供的( )是一常数",0,{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":25,"type":41},[],981899882,[46,47,48,49],"防爆式","普通式","无所谓","没关系","在易燃易爆的危险环境中,必须采用( )",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":25,"type":41},[],981899892,[55,56,57,58],"-16","16","21","19","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2f01d3c7e0df733b754a8bea84e0532b.png\">",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":25,"type":41},[],981899927,[64,65,66,67],"无","保护性接零或接地","防锈漆","不需要","使用的电气设备按有关安全规程,其外壳应有什么防护措施?( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":73,"source":25,"type":26},[],981899939,[22,23],"在纯电阻电路中,电路两端的电压与通过这段电路的电流的比值是一个恒量",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":25,"type":41},[],981899957,[78,79,80,81],"A管是用塑料制成的,B管是用铜制成的","A管是用铝制成的,B管是用胶木制成的","A管是用胶木制成的,B管是用塑料制成的","A管是用胶木制成的,B管是用铝制成的","如图所示,A、B为大小、形状均相同且内壁光滑,但用不同材料制成的圆管,竖直固定在相同高度.两个相同的磁性小球,同时从A、B管上端的管口无初速释放,穿过A管比穿过B管的小球先落到地面.下面对于两管的描述这可能正确的是:( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F72f0acf6c553f303d493b41f6b888e7f.png\">",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":25,"type":41},[],981899975,[87,88,89,90],"-2V","2V","-1V","3V","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F59447d399797b640a55fa18e07cc2a65.png\">",{"answer":93,"createTime":5,"id":6,"options":94,"question":16,"source":25,"type":41},[],[8,9,10,11,12]]