A、A.24A
B.-24A
C.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120714071740248.jpg" />
D.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120714072110716.jpg" />
A、A.24A
B.-24A
C.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120714071740248.jpg" />
D.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120714072110716.jpg" />
A、图示电路中,i<sub>Lsub>(0)=1A,求t≥0时的i<sub>Lsub>(t)。
<img src="https://img.ppkao.com/2019-05/wangxuan/2019050615530228004.jpg" />
A、求图示电路中R<sub>3sub>为何值时,R<sub>5sub>支路中的电流I<sub>5sub>=0。
<img src="https://img.ppkao.com/2018-08/lina/2018082008481339514.jpg" />
A、11I<sub>m1sub>-3I<sub>m2sub>=5 B、11I<sub>m1sub>+3I<sub>m2sub>=5 C、11I<sub>m1sub>+3I<sub>m2sub>=-5 D、11I<sub>m1sub>-3I<sub>m2sub>=-5