Cnolteb15361 Cnolteb15361

12-03-2024
Physics

contestada

A model-train transformer plugs into 120-V AC and draws 0.44 A while supplying 5.6 A to the train. What is the efficiency of the transformer?
a) 2.64%
b) 7.33%
c) 12.20%
d) 15.56%

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