【简答题】(北京交通大学2009年考研试题)如图15—48所示正弦电路中,已知L1=2H,L2=3H,M=1H,R3=R4=R5=1Ω, 。(1)选定参考点如图所示,将电路作必要的等效后写出关联矩阵A;(2)写出支路导纳矩阵和节点导纳矩阵;(3)用节点电压方程求节点①的电位。
【简答题】Why should yourresume look professional?A. More people willread it. B. It could be published. C. An employed maydecide to see you or not because of it. D. You’ll make moremoney.
【单选题】According to the ppt, your resume should be except_______.
C.
perfect spelling and grammar
【单选题】细胞外Ca2+浓度降低对心肌生理特性的影响,以下哪项是错误的?
【单选题】Generally speaking, the first part of your resume should include all the following information except _____.
【判断题】You should target your resume to your will.
【单选题】细胞外Ca2+浓度降低对心肌生理特性的影响,以下哪项是错误的? ( )
【单选题】电路如下图所示,已知 L 1 = 8H , L 2 = 4H , M = 1H ,则 a 、 b 端的等效电感为 ________ H 。