Solution: The primary windings of a transformer which has an
Chapter , Problem 62(choose chapter or problem)
The primary windings of a transformer which has an 85%efficiency are connected to 110-V ac. The secondarywindings are connected across a 2.4-ft, 75-W lightbulb.(a) Calculate the current through the primary windings of thetransformer, (b) Calculate the ratio of the number of primarywindings of the transformer to the number of secondarywindings of the transformer.
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