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induced current
2011-11-08 5:47 am
回答 (1)
2011-11-08 6:41 am
✔ 最佳答案
(a) Induced emf = 0.35 x 0.24 x 0.5 v = 0.042 vhence, induced current = 0.042/20 A = 2.1 x 10^-3 A = 2.1 mA
(b) Force = 0.35 x 0.24 x (2.1x10^-3) N = 1.764 x 10^-4 N
(c) Rate of energy dissipated = 1.764 x 10^-4 x 0.5 w = 8.82 x 10^-5 w
收錄日期: 2021-04-20 11:46:51
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20111107000051KK00921