本课配套习题挑战模式1/5
如图所示,电磁继电器能通过低压控制电路间接地控制高压工作电路. 下列说法正确的是( )
A: 连有电动机的电路是低压控制电路 |
B: 电磁继电器实际上是一个由电磁铁控制电路通断的开关 |
C: 利用电磁继电器主要是为了节约用电 |
D: 利用电磁继电器主要是为了操作方便 |
- 提示1:PHA+5o6M5o+h55S156OB57un55S15Zmo55qE57uT5p6E5ZKM5Y6f55CGPC9wPg==
- 提示2:PHA+5Yip55So55S156OB6ZOB5p2l5o6n5Yi25bel5L2c55S16Lev6YCa5patPC9wPg==
- 提示3:PHA+5Li76KaB6YOo5Lu25Li65LiA5Liq55S156OB6ZOBPC9wPg==
- 答案:Qg==
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
本课配套习题挑战模式2/5
下列功能中,电磁继电器不能完成的是( )
A: 控制电路中电流的连续变化 |
B: 控制电路中电流的有无 |
C: 利用低电压、弱电流控制高电压、强电流 |
D: 远距离自动控制与操作 |
- 提示1:PHA+55S156OB57un55S15Zmo55qE5L2c55So5piv6YCa6L+H5L2O5Y6L55S16Lev5o6n5Yi26auY5Y6L55S16LevPC9wPg==
- 提示2:PHA+55S156OB57un55S15Zmo5peg5rOV6LCD6IqC55S15rWB55qE5aSn5bCPPC9wPg==
- 提示3:PHA+5Y+v6YCa6L+H5LiA5Lqb5Y2K5a+85L2T5p2Q5paZ5p2l5a6e546w6Ieq5Yqo5YyW5o6n5Yi2PC9wPg==
- 答案:QQ==
PHA+55S156OB57un55S15Zmo5Lit5rKh5pyJ5ruR5Yqo5Y+Y6Zi75Zmo77yM5peg5rOV5o6n5Yi255S16Lev5Lit55S15rWB6L+e57ut5Y+Y5YyW77yM5omA5LulQemUmeivr++8jueUteejgee7p+eUteWZqOS4re+8jOS9juWOi+eUtei3r+S4reeahOW8gOWFs+WPr+S7peaOp+WItueUtea1geeahOacieaXoO+8jOaJgOS7pULmraPnoa7vvI7nlLXno4Hnu6fnlLXlmajmmK/kuIDnp43nlLHkvY7ljovnlLXot6/mjqfliLbpq5jljovnlLXot6/nmoTlmajku7bvvIzmiYDku6VD5q2j56Gu77yO5L2O5Y6L55S16Lev5ZKM6auY5Y6L55S16Lev5LmL6Ze055qE6Led56a75Y+v5Lul5b6I6L+c77yM5pa55L6/5L+d5oqk5Lq66Lqr5a6J5YWo77yM6L+Y5Y+v5Lul6YCa6L+H5LiA5Lqb5Y2K5a+85L2T5p2Q5paZ5p2l5a6e546w6Ieq5Yqo5YyW5o6n5Yi277yM5omA5LulROato+ehru+8juS4jeiDveWujOaIkOeahOWPquaciUE8L3A+
本课配套习题挑战模式3/5
电磁继电器中的衔铁是( )
A: 磁铁 |
B: 软铁 |
C: 钢材 |
D: 任何金属 |
- 提示1:PHA+55S156OB57un55S15Zmo55qE5qC45b+D5YWD5Lu25piv55S156OB6ZOBPC9wPg==
- 提示2:PHA+55S156OB57un55S15Zmo6YCa6L+H6KGU6ZOB5a6e546w5o6n5Yi255S16Lev6YCa5patPC9wPg==
- 提示3:PHA+55S156OB6ZOB5pyJ56OB5oCn77yM5ZC45byV6KGU6ZOB77yM5pat55S15ZCO5Y+v5Lul6YeK5pS+6KGU6ZOBPC9wPg==
- 答案:Qg==
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
本课配套习题挑战模式4/5
A: 使用电磁继电器可以直接控制电路的通断 |
B: 我们操作时控制的是低电压、弱电流的通断 |
C: 是利用电磁铁控制工作电路的一种开关 |
D: 电磁继电器是自动控制电路的重要部件 |
- 提示1:IOeUteejgee7p+eUteWZqOeahOWunui0qOaYr+S4gOS4qumXtOaOpeW8gOWFsw==
- 提示2:IOWug+WPr+S7peeUqOS9jueUteWOi+OAgeW8seeUtea1geadpeaOp+WItumrmOeUteWOi+OAgeW8uueUtea1gQ==
- 提示3:IOWug+i/mOWPr+S7peWunueOsOiHquWKqOaOp+WItg==
- 答案:QQ==
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
本课配套习题挑战模式5/5
如图所示,利用电磁继电器控制电动机工作,下列说法正确的是( )
A: 开关S断开时,电动机A、B都不工作 |
B: 开关S闭合时,电动机A、B都工作 |
C: 开关S闭合时,只有电动机B工作 |
D: 开关S闭合时,只有电动机A工作 |
- 提示1:PHA+5o6M5o+h55S156OB57un55S15Zmo55qE5bel5L2c5Y6f55CGPC9wPg==
- 提示2:PHA+55+l6YGT55S16Lev5YiG5Li65o6n5Yi255S16Lev5ZKM5bel5L2c55S16LevPC9wPg==
- 提示3:PHA+6KGU6ZOB55u45b2T5LqO5Y2V5YiA5Y+M5o635byA5YWzPC9wPg==
- 答案:Qw==
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