本课配套习题挑战模式1/5
单选题
难度系数:
1.如图所示的电路中,开关闭合后,小灯泡能发光的是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5YiG5p6Q5byA5YWz6Zet5ZCI5ZCO77yM5ZOq5Liq55S16Lev5aSE5LqO6YCa6Lev54q25oCB
- 答案:RA==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.下图所示的各个电路中,开关闭合后,两个小灯泡都能发光的是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:55S16Lev54q25oCB5YyF5ous77ya6YCa6Lev44CB5pat6Lev5ZKM55+t6Lev
- 答案:QQ==
5Lik54Gv5rOh5bm26IGU77yM5byA5YWz5Zyo5bmy6Lev5LiK77yM5byA5YWz6Zet5ZCI77yM5Lik55uP54Gv5Y+R5YWJ77yMQemhueespuWQiOmimOaEj++8m+eUtei3r+WbvuS4ree8uuWwkeeUtea6kO+8jOeBr+azoeaXoOazleW3peS9nO+8jELpobnkuI3nrKblkIjpopjmhI/vvJvlvIDlhbPpl63lkIjlkI7vvIzkuIDnm4/nga/ooqvnn63ot6/vvIzkuI3og73lj5HlhYnvvIxD6aG55LiN56ym5ZCI6aKY5oSP77yb5byA5YWz6Zet5ZCI5ZCO77yM55S15rqQ6KKr55+t6Lev77yM54Gv5rOh5LiN5Y+R5YWJ77yMROmhueS4jeespuWQiOmimOaEjy7mlYXpgIlBLg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.晓泉实验时连接了如同所示的电路,闭合开关S1和S2后,下列分析正确的是( )
A: 小灯泡亮、电铃响 |
B: 小灯泡亮、电铃不响 |
C: 小灯泡不亮、电铃响 |
D: 小灯泡不亮、电铃不响 |
一次做对,真牛!
+5奖励规则>
- 提示1:5byA5YWz6YO96Zet5ZCI5ZCO77yM55S16ZOD6KKr55+t6Lev
- 答案:Qg==
5b2T6Zet5ZCI5byA5YWzUzxzdWI+MTwvc3ViPuWSjFM8c3ViPjI8L3N1Yj7lkI7vvIznlLXpk4PooqtTPHN1Yj4yPC9zdWI+55+t6Lev77yM5Li654Gv5rOh55qE5Z+65pys55S16Lev77yM5Zug5q2k55S16ZOD5LiN5ZON77yM5bCP54Gv5rOh5Y+R5YWJ77yO5pWF6YCJQg==
本课配套习题挑战模式4/5
单选题
难度系数:
4.图中与如图所示的实物图相对应的电路图是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:56Gu5a6a5q+P5Liq5byA5YWz55qE5L2c55So
- 答案:Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.某单位保密室有两道门,只有当两道门都关上时(关上一道门相当于闭合一个电键),值班室内的指示灯才会发光,表明门都关上了。如图所示几个电路图中,符合要求的是()
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:6ICD6JmR55S16Lev55qE5a6e6ZmF5bel5L2c5Y6f55CG
- 答案:QQ==
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