【单选题】电路如图所示,已知 R 1 = 5k Ω , R 2 = 15k Ω , R 3 = 10k Ω , R C = 2k Ω , R E = 2k Ω , 当电阻 R 2 不慎被短路后 ,( 如图 ), 该电路中的晶体管处于〔〕。
【简答题】电路如图所示,已知 R 1 =2K Ω, R f =10K Ω ,R 2 =2K Ω ,R 3 =18K Ω ,u i =1V ,求 u o 的值。
【简答题】已知电路如图所示,R 1 =10kΩ,X L1 =X L2 =10kΩ,X M =2kΩ,试求负载Z L 获得最大功率条件。
【单选题】电路如图所示,已知 R 1 = 5k Ω , R 2 = 15k Ω , R 3 = 10k Ω , R C = 2k Ω , R E = 2k Ω , 当电阻 R 2 不慎被短路后 ( 如图 ) , 该电路中的晶体管处于( ) 。
【简答题】已知电路如图所示,R 1 =4kΩ,R 2 =8kΩ,U S =12V,C=1μF,电路已达稳态。
【单选题】根据企业所得税法的规定,下列说法中正确的是()。
B.
被投资企业将股权(票)溢价所形成的资本公积转为股本的,作为投资方企业的股息、红利收入
C.
租赁合同规定的租赁期限跨年度的,且租金提前一次性支付的,出租人要一次性确认收入
D.
非营利组织接受其他单位或者个人捐赠的收入为免税收入
【单选题】Newcomers When a country is under-populated, newcomers are not competitors, hut assistants. If more come they may produce not only new quotas, but a surplus as well. In such a state of things land is ...
【简答题】The newcomers found it impossible to ______ themselves to the climate sufficiently to make permanent homes in the new country. A) suit B) adapt C) regulate D) coordinate
【单选题】What is the attitude of the newcomers from different cultures towards finishing the work fast?
【简答题】电路如图所示,已知 R 1 =2K Ω, R f =10K Ω ,R 2 =2K Ω ,R 3 =18K Ω ,u i =1V ,求 u o 的值。