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November 23, 2014

Homework Help: science

Posted by martin on Thursday, April 3, 2008 at 5:06pm.

A step-up transformer has 120 turns on its primary coil. It has 1150 turns on its secondary coil. The primary circuit is supplied with an alternating current at 120 V.
The current in the secondary circuit is 2.4 A. What current is in the primary circuit?

formula??

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