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Solving a problem in physics section 46 paragraph 31 el
31. The autotransformer lowering voltage U1 = 6 kV to U2 = 220, contains the primary winding N1 = 2000 turns. Secondary winding resistance R2 = 1 ohm. The resistance of the external circuit (a low voltage network) R = 12 ohms. Neglecting the resistance of the primary winding, determine the number of turns in the secondary winding of the transformer.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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