如图所示电路中,L1=L2 =40H,C=1000φF,M从OH变至10H时,谐

Freeti2019-12-17  6

问题 如图所示电路中,L1=L2 =40H,C=1000φF,M从OH变至10H时,谐振角频率的变化范围是()。A. 10~16. 67rad/s B. 0~∞rad/s C. 2. 50~2.58rad/s D.不能确定

选项

答案C

解析[img]/upload/tiku/37/2011760_1.jpg[/img][img]/upload/tiku/37/2011760_1_1.jpg[/img][img]/upload/tiku/37/2011760_1_2.jpg[/img]
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