http://assets.uooconline.com/upload/2017/05/15/adaef741533e238a.pnghttp://assets.uooconline.com/upload/2017/05/15/fe54c9049b43c631.png
举一反三
- http://assets.uooconline.com/upload/2017/06/04/72f34aee363c1cce.pnghttp://assets.uooconline.com/upload/2017/06/04/e61684f2b6d4cdaa.png
- http://assets.uooconline.com/upload/2017/06/08/22cd7a33a0d7cc66.pnghttp://assets.uooconline.com/upload/2017/06/08/643e66a50a2d30cc.png
- http://assets.uooconline.com/upload/2017/06/04/2275d1d630f01fd6.png
- 稳压电路如图所示，已知稳压管的稳定电压为12V，稳定电流为5mA，最大稳定电流为30mA，则稳压电路输出电压U0= ( )。http://assets.uooconline.com/upload/2017/05/15/26e70f36b2d7d025.png
- 下图中的两个Uab是相同的吗？http://assets.uooconline.com/upload/2017/02/08/a23f5160e86caf7b.gif