文件 时间 大小 下载
01.功和机械能...mp4 2024-07-01 17:57:55 313.6 MB
02.功率...mp4 2024-07-01 17:57:55 202.22 MB
03.机械效率(1)...mp4 2024-07-01 17:57:55 246.72 MB
04.机械效率(2)...mp4 2024-07-01 17:57:55 349.18 MB
05.动能和势能...mp4 2024-07-01 17:57:55 272.27 MB
06.机械能及其转化...mp4 2024-07-01 17:57:55 257.19 MB
07.内能(1)...mp4 2024-07-01 17:57:55 193.58 MB
08.内能(2)...mp4 2024-07-01 17:57:55 222.21 MB
09.热量与热值...mp4 2024-07-01 17:57:55 183.52 MB
10.比热容(1)...mp4 2024-07-01 17:57:55 283.66 MB
11.比热容(2)...mp4 2024-07-01 17:57:55 255.87 MB
12.热机(1)...mp4 2024-07-01 17:57:55 285.65 MB
13.热机(2)...mp4 2024-07-01 17:57:55 247.45 MB
14.电荷(一)...mp4 2024-07-01 17:57:55 371.37 MB
15.电荷(二)...mp4 2024-07-01 17:57:55 356.79 MB
16.电流和电路(一)...mp4 2024-07-01 17:57:55 393.97 MB
17.电流和电路(二)...mp4 2024-07-01 17:57:55 355.85 MB
18.串联和并联...mp4 2024-07-01 17:57:55 359.56 MB
19.串联和并联的判断...mp4 2024-07-01 17:57:55 167.09 MB
20.电流的强弱...mp4 2024-07-01 17:57:55 132.49 MB
21.探究串、并联电路的电流规律...mp4 2024-07-01 17:57:55 495.27 MB
22.电压(U)...mp4 2024-07-01 17:57:55 381.55 MB
23.探究串并联电路中的电压规律...mp4 2024-07-01 17:57:55 384.95 MB
24.电阻...mp4 2024-07-01 17:57:55 407.83 MB
25.变阻器...mp4 2024-07-01 17:57:55 370.81 MB
26.电流电压电阻习题课...mp4 2024-07-01 17:57:55 317.91 MB
27.电流与电压、电阻的关系...mp4 2024-07-01 17:57:55 470.49 MB
28.欧姆定律及其应用...mp4 2024-07-01 17:57:55 357.38 MB
29.欧姆定律在串联电路中的应用...mp4 2024-07-01 17:57:55 325.7 MB
30.欧姆定律在并联电路中的应用...mp4 2024-07-01 17:57:55 348.7 MB
31.测量小灯泡的电阻...mp4 2024-07-01 17:57:55 375.24 MB
32.欧姆定律与安全用电...mp4 2024-07-01 17:57:55 331.2 MB
33.欧姆定律的综合计算...mp4 2024-07-01 17:57:55 181.87 MB
34.电能...mp4 2024-07-01 17:57:55 373.49 MB
35.电能与电功...mp4 2024-07-01 17:57:55 346.22 MB
36.电功率...mp4 2024-07-01 17:57:55 412.55 MB
37.电功率的计算...mp4 2024-07-01 17:57:55 174.35 MB
38.电功率的测量...mp4 2024-07-01 17:57:55 346.62 MB
39.电和热...mp4 2024-07-01 17:57:55 523.05 MB
40.电与热典型习题...mp4 2024-07-01 17:57:55 309.27 MB
41.电功率与安全用电...mp4 2024-07-01 17:57:55 334.93 MB
42.磁现象...mp4 2024-07-01 17:57:55 459.55 MB
43.电生磁...mp4 2024-07-01 17:57:55 348.64 MB
44.电磁铁...mp4 2024-07-01 17:57:55 415.97 MB
45.电磁继电器与扬声器...mp4 2024-07-01 17:57:55 325.07 MB
46.电动机...mp4 2024-07-01 17:57:55 387.04 MB
47.发电机...mp4 2024-07-01 17:57:55 382.51 MB
48.生活用电常识...mp4 2024-07-01 17:57:55 326.96 MB
49.信息的传递...mp4 2024-07-01 17:57:55 345.8 MB
50.能源家族...mp4 2024-07-01 17:57:55 199.45 MB
51.核能...mp4 2024-07-01 17:57:55 271.58 MB
52.太阳能...mp4 2024-07-01 17:57:55 238.02 MB
53.能源革命 能源与可持续发展...mp4 2024-07-01 17:57:55 287.69 MB