File talk:Transformer3d col3 pl.png

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The voltage arrow on the secondary is upside-down. — Omegatron 04:02, 25 August 2006 (UTC)[reply]

It should be upside-down - the induced voltage will always have an opposite phase to the supplying one.I have checked the direction of the arrows in a text book. K. Lubelski, Elektrotechnika teoretyczna, Część 3, wydanie II, Częstochowa, 1981, Poland, Politechnika Częstochowska, Skrypt uczelniany, page 357). --Zureks 22:32, 14 March 2007 (UTC)[reply]