2004年华南理工大学电路原理考研试题

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= 16 V& U s#I s1#I s 2 (

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s1

s2

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+

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I s1+ R U

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3

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R 2

20V

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>∞

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P$ 3 P$ 4 #30rC da$ 5%t≥ 0 e(fxTg u ( t ) G 13 HI 0

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