What is the expected outcome when calculating secondary amps for a transformer with series windings?

When calculating secondary amps for a transformer with series windings, it's important to understand how transformers operate, particularly regarding winding configurations and their relation to voltage and current. In series windings, the voltage increases while the current decreases, or inversely, the current increases while the voltage decreases, depending on how one evaluates input to output transformations.

The concept of dividing by the total "built length" of the coil is relevant as it directly relates to the effective turns ratio and the physical parameters of the windings. The total built length helps determine how the windings are configured and how they relate to one another in the transformer.

By understanding this principle, one can ascertain that when assessing the current (amps) on the secondary side of a transformer with series windings, the division reflects how the physical characteristics of the windings influence the electrical characteristics. Thus, this method is significant for accurate calculations in the context of electrical systems.

While the other choices may mention potential effects of transformers, they do not inherently address the specific calculation process for secondary amps in relation to series windings and their built length, making the selected answer the most relevant and accurate in this context.