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单选题 图示电阻电路中, 各个电阻均为
, 电路的等效电阻
为 答( ) 
A. 9 
B. 8
C. 6
D. 7
学科：默认课程
时间：2026-03-31 04:34:26
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题目1单选题
图示电路中a、b端的等效电阻<img src="https://tihai-oss-cloud.itihey.com/img/615ca7e970085c87caca723c68e6f4a7.png">为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/98b710a3214e39ea3d7a07f468095123.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/967137ae6d4ae91b17b3b50f8241e670.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/312704c24962b6ac7fad8321f8d4c58b.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/24dc5e85482d20110d4a7be989ad7530.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/63e172e65622d08a7b8215410c852bd5.png">
题目2单选题
图示电路中a、b端的等效电阻<img src="https://tihai-oss-cloud.itihey.com/img/615ca7e970085c87caca723c68e6f4a7.png">应为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/c976ff769c48c31fbb5cbb69eeb1c5fa.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/d76cea2e8babe752ddb915a7acda0ebf.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/96ad69ad83ebb82b89b69ad955c7b694.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/d600f20bb4428ceb192f8170ab3dcefd.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/67f12427c728e404c05c12f095a683d3.png">
题目3单选题
图示电路中a、b端的等效电阻<img src="https://tihai-oss-cloud.itihey.com/img/615ca7e970085c87caca723c68e6f4a7.png">为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/5d06d3d67de41d74fbe0ffdfc0886b51.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/96ad69ad83ebb82b89b69ad955c7b694.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/83d78f8fa3020d3be416dbf385c67c99.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bd9fba9879e7fb6615c2c0b3fd74a4d9.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/a2be6e7e8573401d72402094790f7555.png">
题目4单选题
图示电路中a、b端的等效电阻<img src="https://tihai-oss-cloud.itihey.com/img/615ca7e970085c87caca723c68e6f4a7.png">为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/28a28113a37968cbd7465f10324c5762.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/229a5ad1d457c7fed9c429e9f498fef9.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/be7bac105460219a74a1d8f8e08ca537.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bb746351b95af14c4ffe0eed80cb8440.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/ec37865ebfcf5f01f7236a055142ceb2.png">
题目5单选题
图示电路中a、b端的等效电阻<img src="https://tihai-oss-cloud.itihey.com/img/615ca7e970085c87caca723c68e6f4a7.png">为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/1c336d94e5cc1f81c88f6ad6e33aaf7c.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/a03e0daded7ecbd6ad27ed4ced6ba4ef.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/ce24d2a748ebd2272a4883eeb8fa7363.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bb746351b95af14c4ffe0eed80cb8440.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/d69aad61e7cbbefb0506bf1fd546b2ee.png">
题目6单选题
电路如图所示,开关S打开及闭合时的等效电阻<img src="https://tihai-oss-cloud.itihey.com/img/615ca7e970085c87caca723c68e6f4a7.png">分别为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/dea45a89a2b1e3a085fc4a7aa49348e4.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/2855a151266939e7354367ccc6eb1079.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/06af3f44f8ff7abb0c22f9744bf46497.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/1edc338149d6254081377c6285ade200.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/dfe40499133af64a8a0de88eea089092.png">
题目7单选题
图示电阻电路中a、b端的等效电阻为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/830c64b5bd3a2bc5fa5bb2680ae0fb42.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/81fd769f2c4a38a35efc6faca16447a3.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/60269fd631ef6cb5b25b2ffeecfbc634.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/96e0da68b947867bb68d583df6c7d3da.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/ec37865ebfcf5f01f7236a055142ceb2.png">
题目8单选题
图示电阻电路中, 各个电阻均为<img src="https://tihai-oss-cloud.itihey.com/img/96e0da68b947867bb68d583df6c7d3da.png">, 电路的等效电阻<img src="https://tihai-oss-cloud.itihey.com/img/588517f22621e2963acdaf1033c2097f.png">为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/e390569115b06396bbb94defd5485179.png">A. 9 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">B. 8 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">C. 6 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">D. 7 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">
题目9单选题
图示电路的等效电导G为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/55d13d67226ce80d5b6d149448aff495.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/cbcd53e71fe5f9b25ea1a1f87877b8bc.png">SB. 6SC. <img src="https://tihai-oss-cloud.itihey.com/img/33b4a2e86648389ecb998b77c9c6dd81.png">SD. <img src="https://tihai-oss-cloud.itihey.com/img/450bad22e85b8301f064c873cf2c3bb7.png">S
题目10单选题
图示电路中a、b端的等效电阻<img src="https://tihai-oss-cloud.itihey.com/img/615ca7e970085c87caca723c68e6f4a7.png">在开关S打开与闭合时分别为 答( ) <img src="https://tihai-oss-cloud.itihey.com/img/66879d9c8095af766a8fa1f487946120.png">A. 3.47 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">与1.87 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">B. 3.47 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">与2.87 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">C. 4.47 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">与1.87 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">D. 4.47 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">与2.87 <img src="https://tihai-oss-cloud.itihey.com/img/e610e8b21c2603cd1f391cbb6b94837f.png">
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