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发表于 2025-3-21 17:11:51
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Innovative
发表于 2025-3-21 23:29:42
Electrostatics,together is that electrons transfer from one to the other, with the result that the charge neutrality of the two substances is upset. The substance which gains electrons acquires a negative charge, and the one which loses electrons acquires a positive charge.
mitral-valve
发表于 2025-3-22 01:15:36
Direct Current Motors,arrying conductor which is situated in a magnetic field experiences a force which results in the conductor moving (strictly speaking, the force is on the ., but the current and the conductor are inseparable).
MIME
发表于 2025-3-22 06:18:15
a.c. Motors,pplying Fleming’s rule in this case, because the rule assumes that the . (in this case it is the ., so the direction of the induced e.m.f. is determined by saying that the flux is stationary and that the conductor effectively .). You will find that the induced current flows away from you.
有说服力
发表于 2025-3-22 08:43:56
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昏睡中
发表于 2025-3-22 14:41:15
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货物
发表于 2025-3-22 21:03:02
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abstemious
发表于 2025-3-22 22:45:54
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mighty
发表于 2025-3-23 05:08:26
Overview: A complete self-contained course for individual study or classroom use, with no previous knowledge of the subject required. Mastering Electrical Engineering is suitable for all GCSE, A-level, GNVQ and BTEC courses and provides a modern practical approach to the subject.978-0-333-54721-2
BLAND
发表于 2025-3-23 05:55:32
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