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单选题 
如图,某局部电路,I4 = ______
学科：电工与电子技术(轮机专业）
时间：2025-05-07 05:01:52
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题目1单选题
一段含源支路如图,其电流I的表达式为______.<img src="https://tihai-oss-cloud.itihey.com/img/8a582c60df38ea05927799d88bb0144d.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/953dbbd48e580a09c058a24aa05a669e.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/6006c87327b6800043418034d411a7f5.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/28635d0ef353d320ccc7433d6abc2da7.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/a9d9528ba786cb0b1b5bec895fa15b0e.png">
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/bc3417749952024b7d5ef311c2b48c95.png"> 一段含源支路如图,其电流I的表达式为______A. <img src="https://tihai-oss-cloud.itihey.com/img/953dbbd48e580a09c058a24aa05a669e.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/6006c87327b6800043418034d411a7f5.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/28635d0ef353d320ccc7433d6abc2da7.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/a9d9528ba786cb0b1b5bec895fa15b0e.png">
题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/6792a7ec585a451a021f0d444c092b8a.png"><img src="https://tihai-oss-cloud.itihey.com/img/a54be5a546cca31487714424d936ba35.png"><img src="https://tihai-oss-cloud.itihey.com/img/50ff9dd99268e91092150be0edb3a1d8.png">如图所示,电流I为______AA. -1B. 0C. 1D. 0.5
题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/d74e5da30a4af1709831eda2105fccb6.png">如图所示,电流I为______AA. -1B. 0C. 1D. 0.5
题目5单选题
<img src="https://tihai-oss-cloud.itihey.com/img/afb17cf49da6230cc56cb8a8cbddb0d1.png">如图所示,电流I为______AA. -1B. 0C. 1D. 0.5
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/7bd5a40485b97351aa0178910385f3da.png">如图,AB两点间电压UAB=______A. E1-E2-IRB. E2-E1-IRC. E2-E1+IRD. E1-E2+IR
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/223dfa93cbf09069185795af14e3b190.png">图示电路中I4=______A. 6 AB. 8 AC. 10 AD. 0 A
题目8单选题
根据基尔霍夫第一定律(电流定律),若某电路有多根导线连接在同一个节点上,则流进节点的总电流一定______流出节点的总电流A. 大于B. 小于C. 等于D. 不等于
题目9单选题
<img src="https://tihai-oss-cloud.itihey.com/img/287a977ac439cb768a16cd6b1f023945.png">如图,某局部电路,I4 = ______A. -3 AB. 3 AC. 5 AD. -1 A
题目10单选题
<img src="https://tihai-oss-cloud.itihey.com/img/597f1e32eaee4e287f91d01b8651736c.png">如图,UAB=______A. 0 VB. 25 VC. -25 VD. 50 V
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