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【单选题】
如图所示电路中，已知R1=20欧姆，R2=10欧姆，ωL1=6欧姆，ωL2=4欧姆，ωM=2欧姆，1/ωC=16欧姆，us=[100+50sin(2ωt+10°)]V。求电流i有效值=____________A，R2吸收的有功功率=_______W【图片】A.
4.2, 2.26
B.
5.2, 3.26
C.
6.2, 4.26
D.
以上都不对
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举一反三
【单选题】The case history of the twins appears to support the conclusion that_______.
A.
individuals with identical brains seldom test at the same level
B.
an individual's intelligence is determined only by his environment
C.
lack of opportunity blocks the growth of intelligence
D.
changes of environment produce changes in the structure of the brain
【简答题】热继电器中安秒特性曲线中t对于电动机而言表示()。
【单选题】The case history of the twins appears to support the conclusion that _______.
A.
individual with identical brains seldom test at same level
B.
an individual's intelligence is determined only by his enviroment
C.
lack of opportunity blocks the growth of intelligence
D.
changes of enviroment produce changes in the structure of the brain
【单选题】The case history of tile twirls appears to support the conclusion that
A.
individual with identical brains seldom test at the same level.
B.
an individual's intelligence is determined only by his environment.
C.
lack of opportunity blocks the growth of intelligence.
D.
changes of environment produce changes in the structure of the brain.
【简答题】数据预处理练习
【简答题】第2章 练习2分析数据.xlsx
【单选题】The case history of the twins appears to support the conclusion that （）.
A.
individual with identical brains seldom test at same level
B.
an individual"s intelligence is determined only by his environment
C.
lack of opportunity blocks the growth of intelligence
D.
changes of environment produce changes in the structure of the brain
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