In my acknowledgement, emf = -Nd(flux)/dt.
Shouldn't the answer of part C be negative from 0s to 0.2s and positive from 0.3s to 0.6s?
thanks
Please verify the answer.(Magnetism)?
回答 (1)
2016-12-06 3:06 pm
✔ 最佳答案
Yes, you are right. It should be -ve from 0 to 0.2s, and +ve from 0.3 to 0.6s.
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https://hk.answers.yahoo.com/question/index?qid=20161206003414AAXlA9j