Question

A model-train transformer plugs into 160 V ac and draws 0.29 A while supplying 7.9 A to the train.

A What voltage is present across the tracks? Is the transformer step-up or stop-down?

Answer 1

A model train transformer plugs into 120-V ac and draws 0.35A while supplying 7.5A to the train. (a)What voltage is present across the tracks