斜 发表于 2025-3-25 04:35:21
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http://reply.papertrans.cn/63/6255/625445/625445_25.pngRelinquish 发表于 2025-3-26 02:07:18
Poly-Phase a.c. Circuits,ses’ are generated is described in sections 13.2 and 13.3, and we concentrate here on the advantages of the use of a poly-phase supply which are:.A poly-phase supply system may have two, three, four, six, twelve or even twenty-four phases, with the . being the most popular. The National Grid distribsaphenous-vein 发表于 2025-3-26 05:05:26
a.c. Motors,across the conductor. By applying ., you can determine the direction of the induced e.m.f. and current in the conductor. You need to be careful when applying 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 determinchiropractor 发表于 2025-3-26 11:25:41
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http://reply.papertrans.cn/63/6255/625445/625445_29.pngPruritus 发表于 2025-3-26 17:42:33
Electrochemistry, Batteries and Other Sources of e.m.f.,The chemical effect of an electric current is the basis of the .; the flow of electric current between two . (one being known as the . and the other as the .) in a liquid (the .) causes material to be lost from one of the electrodes and deposited on the other.