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微信登录，您好！ [{"id":1283,"name":"声现象","url":"/Category_1283/Index.aspx","target":"_self",children: [{"id":1296,"name":"声音的产生与传播","url":"/Category_1296/Index.aspx","target":"_self"},{"id":1297,"name":"声音的三个特征","url":"/Category_1297/Index.aspx","target":"_self"},{"id":1298,"name":"噪声","url":"/Category_1298/Index.aspx","target":"_self"},{"id":1299,"name":"声的利用","url":"/Category_1299/Index.aspx","target":"_self"}] },{"id":1284,"name":"机械运动","url":"/Category_1284/Index.aspx","target":"_self",children: [{"id":1300,"name":"长度和时间的测量","url":"/Category_1300/Index.aspx","target":"_self"},{"id":1301,"name":"运动和静止","url":"/Category_1301/Index.aspx","target":"_self"},{"id":1302,"name":"速度","url":"/Category_1302/Index.aspx","target":"_self"}] },{"id":1285,"name":"质量与密度","url":"/Category_1285/Index.aspx","target":"_self",children: [{"id":1303,"name":"质量及其测量","url":"/Category_1303/Index.aspx","target":"_self"},{"id":1304,"name":"密度","url":"/Category_1304/Index.aspx","target":"_self"}] 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[{"id":1321,"name":"杠杆","url":"/Category_1321/Index.aspx","target":"_self"},{"id":1322,"name":"滑轮及滑轮组","url":"/Category_1322/Index.aspx","target":"_self"},{"id":1323,"name":"斜面和轮轴","url":"/Category_1323/Index.aspx","target":"_self"},{"id":1324,"name":"机械效率","url":"/Category_1324/Index.aspx","target":"_self"}] },{"id":1291,"name":"热学","url":"/Category_1291/Index.aspx","target":"_self",children: [{"id":1325,"name":"温度","url":"/Category_1325/Index.aspx","target":"_self"},{"id":1326,"name":"物态变化","url":"/Category_1326/Index.aspx","target":"_self"},{"id":1327,"name":"分子热运动","url":"/Category_1327/Index.aspx","target":"_self"},{"id":1328,"name":"热量和内能","url":"/Category_1328/Index.aspx","target":"_self"},{"id":1329,"name":"比热容","url":"/Category_1329/Index.aspx","target":"_self"},{"id":1330,"name":"热机","url":"/Category_1330/Index.aspx","target":"_self"}] },{"id":1292,"name":"光学","url":"/Category_1292/Index.aspx","target":"_self",children: 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当前位置：首页 > 中考知识点> 电学

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电学

电功率（全课）(新课标Powerpoint)
  • ID：76304
  • 2006/08/11 12:54
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《欧姆定律》复习课二(Powerpoint课件)
  • ID：75973
  • 2006/08/10 23:21
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《欧姆定律(人教版)》Powerpoint课件
  • ID：75974
  • 2006/08/09 23:09
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《电功率（人教版）》Powerpoint课件
  • ID：76305
  • 2006/08/08 22:53
  • 261.00KB
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串联和并联(人教版新课标Powerpoint)
  • ID：75178
  • 2006/08/08 06:45
  • 559.00KB
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串联和并联(人教版新课标Powerpoint)
  • ID：75179
  • 2006/08/08 06:43
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串联和并联(新课标Powerpoint)
  • ID：75180
  • 2006/08/08 06:40
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串联和并联3(人教版新课标Powerpoint)
  • ID：75181
  • 2006/08/08 06:37
  • 150.00KB
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各种电热器
  • ID：76435
  • 2006/08/07 22:35
  • 242.00KB
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《电荷》（人教版）(新课标Powerpoint)
  • ID：75060
  • 2006/08/07 00:30
  • 383.00KB
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《串联和并联》综合课件
  • ID：75182
  • 2006/06/25 12:26
  • 257.00KB
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并联电路电流的规律
  • ID：75328
  • 2006/06/25 12:24
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电功和电功率(二)
  • ID：76306
  • 2006/06/03 22:10
  • 69.00KB
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电功和电功率(一)
  • ID：76307
  • 2006/06/02 10:51
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《电和热、安全用电》综合课件
  • ID：76582
  • 2006/05/30 06:36
  • 476.00KB
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探究影响电热效应因素
  • ID：76436
  • 2006/05/30 06:34
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电热恒温箱
  • ID：76437
  • 2006/05/30 06:32
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电功率和安全用电
  • ID：76583
  • 2006/05/29 22:27
  • 136.00KB
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测定小灯泡的电功率（二）
  • ID：83016
  • 2006/05/29 22:27
  • 459.00KB
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测量小灯泡的电功率（三）
  • ID：76359
  • 2006/05/29 22:25
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