我全部x左2,到底洗唔洗x2?
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strange magnetic flux question?
2016-06-10 10:21 am
回答 (1)
2016-06-10 3:42 pm
✔ 最佳答案
Don't know why you need to multiply by 2.There is only one coil. The question clearly reads "... a circular coil of radius 10 cm ...". Hence, I don't think x2 is necessary.
收錄日期: 2021-04-24 23:23:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160610022116AA1O3N7