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判断题 若电路的支路数为b,节点数为n,根据KVL可以列出b-(n-1)个独立的回路方程
学科：电路电子技术
时间：2025-11-24 02:06:43
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题目1单选题
应用支路电流法求得图示电路中电压U及10V电压源吸收的功率P分别为( ).<img src="https://tihai-oss-cloud.itihey.com/img/fab7c255c4702bed203162f3ce213787.png">A. U=2V;P=10WB. U=-1V;P=1.5WC. U=7.5V;P=-5WD. U=1V;P=5W
题目2单选题
图示电路中的电流I=( )A.<img src="https://tihai-oss-cloud.itihey.com/img/ed6e5bfcd1291042c69d5ec9f31d67dd.png">A. 1.5B. 2/3C. 4/3D. -0.5
题目3填空题
用支路电流法可得各支路电流为<img src="https://tihai-oss-cloud.itihey.com/img/e45f0d812d7f347aa37c9ee70962e1ca.png">= A;<img src="https://tihai-oss-cloud.itihey.com/img/eb36fda74671ed1c407380befd250fde.png">= A;<img src="https://tihai-oss-cloud.itihey.com/img/98709f0fb9889c2dd05f3cd2c49b32b0.png">= A;<img src="https://tihai-oss-cloud.itihey.com/img/57b828fe4fade81b5559726f5ac3f3db.png">= A;<img src="https://tihai-oss-cloud.itihey.com/img/fe2a50194f5dbc47e50be5363feaa875.png">= A.(保留两位小数)<img src="https://tihai-oss-cloud.itihey.com/img/9860e88b99bdd0269b41e936936250d8.png">题目4判断题
若电路的支路数为b,节点数为n,根据KVL可以列出b-(n-1)个独立的回路方程A. 正确B. 错误
题目5判断题
支路电流法是以各支路电流为变量求解电路A. 正确B. 错误
题目6判断题
支路电流法的实质是KCL方程A. 正确B. 错误
题目7判断题
若电路节点数为n,则可以列出n个独立的KCL方程A. 正确B. 错误
题目8单选题
<img src="https://tihai-oss-cloud.itihey.com/img/677743661c29a33b50dbecf5d4bdc6b9.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/16aeca2c775be3c3a7e9762cfcb6d41b.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/7884aa1835ba06e0ddd76b69d279ee89.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/1447779f9360f31ac4e8d77b9781c054.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/bc055fe9631b29f8b9cbb20f3ec45b87.png">
题目9单选题
<img src="https://tihai-oss-cloud.itihey.com/img/9ebb037a1fec172668b7146bdaa87ddf.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/3ed8cf3c0a871cf6651a02867365620f.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/87ff3bda986dd68df9d978071b0ecc45.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bf42c4116d1f9d00e098a9ae524e5415.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/66fa62890aa3b2ab39f09dff40c02971.png">
题目10单选题
<img src="https://tihai-oss-cloud.itihey.com/img/4e857d49399a732a0467938ee6cbffc9.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/a831e33163e5b975bb1ce5987b0cfe75.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/da5efe750565474ebf44edeb185d8764.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/49cfc9a2f5a9de0ed502226525f3932c.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/65bac6587a56e823e4bf7ae0f740bca8.png">
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