An enclosed transformer has four wire leads coming from it. how could you determine the ratio of turns on the two coils without taking the transformer apart? how would you know which wires paired with which?

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral