图6所示电路,容性器件的复阻抗,可表示为: ( ) .http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/67254d48a8b541de8bce159f020b0028.png
举一反三
- 图 5 所示电路, 容性器件的复阻抗,可表示为: ( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/746323023f3f4444b347fc0a6264a537.png
- 图8所示电路,若输入电压 ui 为系列方波如图8 所示,则输出电压uo的波形为 ( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/94dea7d0655b4096b94631bca6f6993e.png
- 电路如图 4 所示,电流 I 为 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/48dcfd6292e44a329c2d5b04973679d8.png
- 电路如图5所示,运算放大器构成 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/ad0dc8cc2e8547ccb31a035a818c1d8d.png
- 一定量的理想气体,在温度不变的条件下,当压强降低时,分子的平均碰撞频率<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/5499a59dc3754bfdbf231e19c5e2edb9.png" />和平均自由程<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/bba421d6506c4072b583fd4e63b5df81.png" />的变化情况是( ): A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/5499a59dc3754bfdbf231e19c5e2edb9.png" />和<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/bba421d6506c4072b583fd4e63b5df81.png" />都减小. B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/5499a59dc3754bfdbf231e19c5e2edb9.png" />减小而<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/bba421d6506c4072b583fd4e63b5df81.png" />增大. C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/5499a59dc3754bfdbf231e19c5e2edb9.png" />和<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/bba421d6506c4072b583fd4e63b5df81.png" />都增大. D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/5499a59dc3754bfdbf231e19c5e2edb9.png" />增大而<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/bba421d6506c4072b583fd4e63b5df81.png" />减小.