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【单选题】
REPUGNANT : REPEL ::A.
cogent: convince
B.
marvelous: ignore
C.
garish : clothe
D.
sealed : retract
E.
invincible : conquer
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举一反三
【简答题】含有耦合电感器的电路如图a所示，图中L 1 =1H，L 2 =2H， ，对所有t，i s =3e -2t A，试计算自感电压u 1 ，开路电压u oc 与电压u 12 ，以及L 1 与L 2 中的磁链ψ 11 、ψ 21 。
【简答题】在图3-15所示电路中，u s (t)=5costV，R=5Ω，L 1 =1H，|M|=0.1H，L 2 =2H，C=1F。试求耦合电感元件的输入端口电压u 1 (t)和电容电流i C (t)。
【单选题】Mike spent two hours driving______ the busy streets yesterday morning.
A.
over
B.
through
C.
past
D.
across
【简答题】L 1 =4H, L 2 =1H, k=0.5 的耦合电感串联的等效电感为 ________ H 。 1) 4 2) 5 3) 7
【单选题】Mike spent two hours driving______ the busy streets yesterday morning.
A.
over
B.
Past
C.
through
D.
across
【简答题】阅读理解。 Paul is a four-year-old boy. His parents are both doctors. They are very busy. They have no time to spend weekends with Paul, so Paul spends lots of time on the Internet, chatting(聊天) with o...
【单选题】Mike spent two hours driving _______ the busy streets yesterday morning.
A.
over
B.
past
C.
through
D.
across
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