question archive A model-train transformer plugs into 120-V ac and draws 0
A model-train transformer plugs into 120-V ac and draws 0
Subject:PhysicsPrice: Bought3
A model-train transformer plugs into 120-V ac and draws 0.35 A while supplying 7.5 A to the train.
(a) What voltage is present across the tracks?
(b) Is the transformer step-up or step-down?
