32. A transformer that lowers the voltage from 220 V to

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Uploaded: 10.08.2015
Content: fiz046_32.doc (36 kB)

Description

32. A transformer that lowers the voltage from 220 V to 12 V, comprises a first winding N1 = 2000 turns. Secondary winding resistance R2 = 0,15 ohms. Neglecting the resistance of the primary winding, determine the number of turns in the secondary winding if an external circuit (a low voltage network) transmit power P = 20 watts.

Additional information

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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