图示电路t=0时刻,开关闭合后,电感电流i(t)等于。https://p.ananas.chaoxing.com/star3/origin/825b68557ba43c8fc7966b33466f4b98.png
举一反三
- 电路如图所示,t=0时 , 开关K闭合,已知 uC(0-)=0,求电容电压和电流,https://p.ananas.chaoxing.com/star3/origin/83956f84060dec0797d35a6b04193c0e.png
- 图示电路中,已知 I 1 = 4A,I 2 = -2A,I 3= 1A,I 4= -3A,I 5=()A 。https://p.ananas.chaoxing.com/star3/origin/1258855a36c0da720d1f654ab778512f.png
- 图示一平面简谐波在t = 0 时刻的波形图,求: (1) 该波的波动表达式; (2) P处质点的振动方程。https://p.ananas.chaoxing.com/star3/origin/988ae4c51ebb845b66e5bd3a248dcf5c.png
- 下图所示电路中,电流I=____ A ,电阻R=____Ω。https://p.ananas.chaoxing.com/star3/origin/19555946d5b25bbf3da69e0395c415ca.png
- 在 中, , ,则 等于https://p.ananas.chaoxing.com/star3/origin/98366284d8feecd580613938380206ea.pnghttps://p.ananas.chaoxing.com/star3/origin/526e25c58361a406de96a44862df7aba.pnghttps://p.ananas.chaoxing.com/star3/origin/04970d84ab61ade1077625be94ccdd96.pnghttps://p.ananas.chaoxing.com/star3/origin/7a34359614a39bd8fbffa909e85a630f.png