如图dgjc0031所示，当开关S打开时(____)。图<img alt="/upload/photos/20190626/be8051a390c448dfa7c565fbd8d1948e.png" src="/upload/photos/20190626/be8051a390c448dfa7c565fbd8d1948e.png" />
AEL1不熄
BEL2先熄
CEL1先熄，然后EL1和EL2微亮后全熄
DEL1和EL2同时熄
相关试题
-
如图dgjc0031所示，当开关S打开时(____)。图<img alt=/upload/photos/20190626/be8051a390c448dfa7c565fbd8d1948e.png
-
于图dgjc0065电路，描述正确的有(____)。图<img alt=/upload/photos/20190626/e6b7663aafd84fccb9feaf8747bafbd8.png
-
如图dgjc0029所示，三个电路的等效电阻关系为(____)。图<img alt=/upload/photos/20190626/7d85dacb156e423e9a72e3bc8bad6a9
-
d.png src=/upload/photos/20190626/f70fb47cd66e46e6b439806d3eca429d.png />;图<img alt=/upload/p
-
图E-11中(a)、(b)杆型<img alt=/upload/photos/20190626/73eeda25f46f4416991e1415120488b3.jpg src=/upload