• 2022-06-07
    1803768086ffe61.jpg电路原来已经达到稳态,t=0时开关闭合,则[img=40x25]180376808f4a915.png[/img]为
    A: [img=100x24]18037680981cd85.png[/img]
    B: [img=100x24]18037680a12cb4c.png[/img]
    C: [img=93x24]18037680a9193fc.png[/img]
    D: [img=93x24]18037680b164097.png[/img]