如图所示电路中,负载阻抗ZL任意可调,则ZL可能获得的最大功率为( )W。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/a05954a8c7cb40128bc79d9c6346ab97.png
举一反三
- 电路如图所示,各端线阻抗 Zl=(1+j2)Ω,各相负载复阻抗Z=(5+j6)Ω,则A相负载电流相量和三根端线消耗的总有功功率分别为( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/fcea1733512541839fd62002b9889b1e.png
- 在如图所示电路中,若负载 RL任意可调,则最佳匹配时的负载电阻 和可获得最大功率 分别为( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/2a14639c0c104af89cb1853dc04e255e.png
- 如图所示的电路属于( )滤波电路。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/190dffe6b54f4c01ba9042f0697ba320.png
- 如图所示电路中,负载电阻RL任意可调,则RL可能获得的最大功率为()W。 A: 4 B: 6 C: 8 D: 10
- 同或的逻辑表达式为:( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/de7cc25b0fa441acbd1ae351e6b717bf.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/0521e4ead0c94f6b926ad268101e03dc.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/d7e24d5fe0914412afdc9203542a97be.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/1a45c582099646599b854ab6adc648f4.png" />