76. The primary windings of a transformer which has an 80%
Chapter 21, Problem 76(choose chapter or problem)
76. The primary windings of a transformer which has an 80% efficiency are connected to 110-V ac. 'llie secondary windings are connected across a 2.4-11. 75-W lightbulb. (a) Calculate the current through the primary windings of the transformer. (/>) Calculate the ratio of the number of primary windings of the transformer to the number of secondary windings of the transformer.
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