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判断题 
测量图中各电阻的阻值时,要把电阻与所有电源的连接都断开
学科：默认课程
时间：2026-05-30 14:47:49
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题目1判断题
<img src="https://tihai-oss-cloud.itihey.com/img/eafc38e79d00f6b2cf1c0f38971c63d8.png">测量图中各电阻的阻值时,要把电阻与所有电源的连接都断开A. 正确B. 错误
题目2判断题
<img src="https://tihai-oss-cloud.itihey.com/img/eafc38e79d00f6b2cf1c0f38971c63d8.png">测量图中的电流来验证 KCL时,电流的参考方向必须从电流表的正极性端流入负极性端流出A. 正确B. 错误
题目3判断题
<img src="https://tihai-oss-cloud.itihey.com/img/eafc38e79d00f6b2cf1c0f38971c63d8.png">测量图中的电流来验证 KCL时,理论上<img src="https://tihai-oss-cloud.itihey.com/img/7e09850bf4be80a9e27a8aa3cb07dc58.webp">+<img src="https://tihai-oss-cloud.itihey.com/img/3c7ea18ae837978b9cc4a9806430a0d5.webp">=<img src="https://tihai-oss-cloud.itihey.com/img/064bf9024e394228763251a31af1a9b0.webp">,实测值<img src="https://tihai-oss-cloud.itihey.com/img/4c68b072f6ad3482193c01d649288cb6.webp">+<img src="https://tihai-oss-cloud.itihey.com/img/71a466fc6e37a6149402a6076cd76657.webp">必须与<img src="https://tihai-oss-cloud.itihey.com/img/b1f1bb73975123cca0c948d32e2368b9.webp">完全相等A. 正确B. 错误
题目4判断题
<img src="https://tihai-oss-cloud.itihey.com/img/eafc38e79d00f6b2cf1c0f38971c63d8.png">测量图中的电压Uab、Ubc、Uca、Uad、Udb、Uba来验证 KVL时,不但要测出各电压的大小,方向也必须与各电压的方向完全一致A. 正确B. 错误
题目5判断题
<img src="https://tihai-oss-cloud.itihey.com/img/eafc38e79d00f6b2cf1c0f38971c63d8.png">测量图中的电压Uab、Ubc、Uca、Uad、Udb、Uba来验证 KVL时,理论上Uad + Udb +Uca=0A. 正确B. 错误
题目6判断题
<img src="https://tihai-oss-cloud.itihey.com/img/eafc38e79d00f6b2cf1c0f38971c63d8.png">图中验证叠加定理时,如果时 <img src="https://tihai-oss-cloud.itihey.com/img/dcbebc25c9d556f7b16a9714037b4c9a.webp">作用而 <img src="https://tihai-oss-cloud.itihey.com/img/d54327386a99e4c708a6cfb92b7a36e2.webp">不作用,则d、b之间要短接A. 正确B. 错误
题目7判断题
<img src="https://tihai-oss-cloud.itihey.com/img/eafc38e79d00f6b2cf1c0f38971c63d8.png">图中验证叠加定理时,如果时 <img src="https://tihai-oss-cloud.itihey.com/img/551161abf7c2cf89d976d9baab0a1678.webp">作用而 <img src="https://tihai-oss-cloud.itihey.com/img/1b951a7c47b42bab345c4f7b8759af7e.webp">不作用,则4.5V电压源的正负极性之间要短接A. 正确B. 错误
题目8判断题
<img src="https://tihai-oss-cloud.itihey.com/img/eafc38e79d00f6b2cf1c0f38971c63d8.png">图中验证叠加定理时,如果时 <img src="https://tihai-oss-cloud.itihey.com/img/551161abf7c2cf89d976d9baab0a1678.webp">单独作用时<img src="https://tihai-oss-cloud.itihey.com/img/09765a9c02425e26d476c46395656385.webp">电流的参考方向与 <img src="https://tihai-oss-cloud.itihey.com/img/1b951a7c47b42bab345c4f7b8759af7e.webp">单独作用时<img src="https://tihai-oss-cloud.itihey.com/img/533a5e18219c82ca16bb589911d5f45e.webp">电流的参考方向不一致,<img src="https://tihai-oss-cloud.itihey.com/img/c08d5bd390e3614fefa5272e38885754.webp">+<img src="https://tihai-oss-cloud.itihey.com/img/ae3d7b34d937426e1498267b0bb864df.webp">=<img src="https://tihai-oss-cloud.itihey.com/img/bd1918cb964a51f926446d8e7cfff70b.webp">不成立A. 正确B. 错误
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