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[問題] 請問一下電磁學強者這個積分...

[ Physics ]9 留言, 推噓總分: +4

作者: jackypig - 發表於 2008/09/22 04:46(17年前)

3^F推profyang:我論樓上那個才是原PO要問的可能性09/22 08:19

[問題] 電場磁場看得見嗎?

[ Physics ]17 留言, 推噓總分: +4

作者: detarame - 發表於 2008/09/20 00:37(17年前)

15^F推profyang:樓上所說的光是由電磁波電場驅動眼睛中的電子造成你看得09/23 08:50

16^F→profyang:見他,這樣算看見電場嗎?而且磁場的部分也就看不見了~09/23 08:50

[問題] 徐氏基金會翻譯的費因曼物理學

[ Physics ]17 留言, 推噓總分: +9

作者: frees - 發表於 2008/09/18 18:12(17年前)

1^F推profyang:說實在的翻得不好,但是費曼實在太強,我自己還是買了09/18 18:22

2^F→profyang:結果沒過多久就出新的翻譯本= =09/18 18:23

[題目] 費米能階

[ Physics ]5 留言, 推噓總分: +2

作者: yjlee - 發表於 2008/09/16 18:22(17年前)

3^F推profyang:樓上,原PO的意思應該不是只在正中間吧?而且就算真的如你09/17 08:23

4^F→profyang:所說電子電洞數目相同也不會在正中間09/17 08:24

[問題] 作用力反作用力為何大小會相等?

[ Physics ]13 留言, 推噓總分: +8

作者: agoo - 發表於 2008/09/15 22:31(17年前)

5^F推profyang:以古典力學來說,你可以從動量守恆導出第三定律;也可以從09/16 08:12

6^F→profyang:第三定律導出動量守恆,不過個人認為將動量守恆當基本原理09/16 08:13

7^F→profyang:比較恰當...09/16 08:13

Re: [問題]為何電子的漂移電流沒有負號哩?

[ Physics ]11 留言, 推噓總分: +4

作者: Yangbin - 發表於 2008/08/25 16:54(17年前)

1^F推profyang:大哥~你前面的mobility 中我記得要包含電子電荷吧?08/25 20:17

2^F→profyang:這樣就沒錯了吧?08/25 20:17

3^F→profyang:好像是u=qt/m t是平均生存時間08/25 20:18

7^F推profyang:哈我發現我搞錯原PO問的意思了~我以為他把q當作負的,然後08/25 21:41

8^F→profyang:在問為何J和E不同向,而我上面推文只是說如果他把q當負的08/25 21:42

9^F→profyang:則mobility也會變成負的08/25 21:43

10^F→profyang:結果他的問題似乎只是以為電子的J會和電子的運動方向相同08/25 21:45

Re: [問題]請問pn接面二極體的空乏區

[ Physics ]7 留言, 推噓總分: +3

作者: Yangbin - 發表於 2008/08/11 06:56(17年前)

1^F推profyang:原PO我覺得你要真正得到這個問題的答案最好自己去讀固態08/11 11:46

2^F→profyang:物理或是原件物理之類的書...08/11 11:46

[請益] 高中化學氣體擴散公式推導疑問

[ Physics ]8 留言, 推噓總分: +3

作者: twowater - 發表於 2008/08/07 17:39(17年前)

7^F推profyang:推4,5樓,我高中在讀化學時怎麼看都覺得原PO的那個式子是08/08 17:20

8^F推profyang:在唬爛...08/08 17:22

[問題] 多狹縫

[ Physics ]2 留言, 推噓總分: +2

作者: tsungjen - 發表於 2008/06/26 22:41(17年前)

1^F推profyang:數一下小亮紋數06/27 09:01

[問題] O度K 時會有能量嗎?

[ Physics ]7 留言, 推噓總分: +2

作者: flyingwave - 發表於 2008/06/20 16:42(17年前)

7^F推profyang:好像是五分之三Ef,這應該普物就可以算了06/21 20:54

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