本课配套习题挑战模式1/5
单选题
难度系数:
1.家庭电路主要组成其中组合正确的是( )
A: 电能表电压表电流表开关电灯 |
B: 电能表闸刀开关保险盒插座用电器 |
C: 闸刀开关保险盒电压表电流表灯泡 |
D: 灯泡插座电压表电流表闸刀开关 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWutuW6reeUtei3r+S4jemcgOimgeefpemBk+eUtea1geWkp+Wwj+OAgg==
- 提示2:IOeUtei3r+S4jemcgOimgeefpemBk+eUteWOi+Wkp+Wwj+OAgg==
- 提示3:IOiuoeeul+eUtemHj+eahOW3peWFt+aYr+eUteiDveihqOOAgg==
- 答案:Qg==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.家庭电路由进户线开始到灯和插座正确的顺序是( )
A: 进户线、电能表、总开关、保险装置、灯和插座 |
B: 进户线、电能表、保险装置、总开关、灯和插座 |
C: 进户线、总开关、电能表、保险装置、灯和插座 |
D: 进户线、灯和插座、保险装置、总开关、电能表 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOmYsuatouWBt+eUte+8jOeUteiDveihqOWcqOaAu+W8gOWFs+WJjemdouOAgg==
- 提示2:IOmYsuatouaNouS/nemZqeS4neeUtei3r+W4pueUte+8jOS/nemZqeS4neWcqOaAu+W8gOWFs+WQjumdog==
- 提示3:IOacgOW8gOWni+aYr+i/m+aIt+e6v++8jOacgOacq+err+aYr+eBr+WSjOaPkuW6p+OAgg==
- 答案:QQ==
5a625bqt55S16Lev5pyJ77ya6L+b5oi357q/44CB55S16IO96KGo44CB5oC75byA5YWz44CB5L+d6Zmp6KOF572u44CB55So55S15Zmo5ZKM5o+S5bqn57uE5oiQ77yM6aG65bqP5LiN6IO96aKg5YCS77yM5pWFQemAiemhueespuWQiOWutuW6reeUtei3r+eahOe7hOaIkC4gPGJyPuaVhemAiUEuIA==
本课配套习题挑战模式3/5
单选题
难度系数:
3.关于家庭电器中电器安装的说法错误的是( )
A: 开关应接在火线上 |
B: 螺丝口灯泡的螺丝套一定要接在零线上 |
C: 开关应和灯泡并联 |
D: 三孔插座应有接地线 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOaNoueBr+azoeaYr+mcgOimgeS/neivgeS6uuWRmOWuieWFqOOAgg==
- 提示2:IOW5tuiBlOaXtu+8jOS6kuS4jeW5suaJsOOAgg==
- 提示3:IOaOpeWcsOe6v+aYr+mYsuatoumHkeWxnuWkluWjs+W4pueUteOAgg==
- 答案:Qw==
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
本课配套习题挑战模式4/5
多选题
难度系数:
4.某家庭电路的组成如图所示,下列说法正确的是( )
A: 图中的四个插座是并联的 |
B: 控制灯泡的开关要接在零线上 |
C: 彩灯接入电路后都不亮,是由于其中的一个小彩灯短路 |
D: 有金属外壳的家用电器必须使用三孔插座,以确保安全 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOS/neivgeWuieWFqOaAp+WSjOWQiOeQhuaApw==
- 提示2:IOWuieWFqOaAp+WMheaLrO+8jOW8gOWFs+aUvue9ru+8jOmHkeWxnuWkluWjs+a8j+eUteOAgg==
- 提示3:IOWQiOeQhuaAp+WMheaLrO+8jOWuieijhemhuuW6j+WSjOS4suW5tuiBlA==
- 答案:QSxE
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.
如图所示,教室内两盏日光灯有一个开关控制,以下电路中能反映它们正确连接的是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+6aaW5YWI5L+d5q2j6aKd5a6a55S15Y6L5Li6MjIwdueahOeUteeBr+ato+W4uOWPkeWFieOAgjxicj48L3A+
- 提示2:PHA+Jm5ic3A75L+d6K+B5a6J5YWo77yM5byA5YWz5Zyo54Gr57q/5LiK44CCPGJyPjwvcD4=
- 提示3:PHA+5omA5Lul5b+F6aG75piv5bm26IGU77yM5byA5YWz5Zyo54Gr57q/5LiK44CCPGJyPjwvcD4=
- 答案:QQ==
PHA+5LiA5Y+q5byA5YWz5ZCM5pe25o6n5Yi2Muebj+aXpeWFieeBr++8jOiLpeaRmOaOieWFtuS4reS7u+aEj+S4gOebj+eBr+euoe+8jOeUseWPpuWkluS4gOebj+eBr+S7jeato+W4uOWPkeWFieWPr+efpe+8jOi/meS6jOebj+aXpeWFieeBr+aYr+S6kuS4jeW9seWTjeeahO+8jOaJgOS7peWug+S7rOS5i+mXtOS4gOWumuaYr+W5tuiBlOeahO+8m+eBq+e6v+aOpeeUqOeUteWZqOS5i+WJje+8jOW6lOWFiOaOpeW8gOWFs++8jDxicj7mlYXpgIlB77yOPGJyPjwvcD4=