Determine is the transformer step-up or step-down

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Reference no: EM13496529

A model-train transformer plugs into 120-V ac and draws 0.41A while supplying 7.8A to the train.

What voltage is present across the tracks? Assume 100% efficiency.

Vs=_____V

Is the transformer step-up or step-down?

Reference no: EM13496529

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