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【单选题】
在电阻与电感并联的正弦交流电路中，若电流表测量电阻支路电流为4，电感支路电流为3，则总电流为（）。A.
5
B.
1
C.
7
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反馈参考答案：
举一反三
【简答题】压焓图中临界点K和x=0、x=1两条线将区域分为三部分，请说明各区代表的意义。
【简答题】内囊后肢分为()部、()部和()部。
【简答题】附图中实线为载有电流I的导线，它由三部分组成：MN部分为1/4圆周，圆心为O，半径为R，其余两部分为伸向无限远的两个直线段．求O点的磁场B.
【简答题】What degree did he receive?
【多选题】For what did he receive the Nobel Prize?
A.
theoretical physics
B.
being a Doctor in the field of physics
C.
being industrious in his work
D.
discovery of the law of the photoelectric effect
【简答题】When did he receive a letter?
【单选题】According to Nick, why did he receive the money?
A.
The bank made an error. They gave him the money by mistake.
B.
He agreed to sit out an important game.
C.
He agreed to a business deal.
【多选题】Where did he receive his education?
A.
Catholic elementary school in Munich, Germany (1885-1888)
B.
Luitpold Gymnasium in Munich, Germany (1888-1894)
C.
Cantonal school in Aarau, Switzerland (1895-1896)
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