Final answer:
The wires should be approximated as infinitely long.
Step-by-step explanation:
The correct answer is D) Infinitely Long. The wires should be approximated as infinitely long.
In this context, the term 'approximate the wires' means considering the wires as having infinite length. This assumption is made because the wires are depicted as very long and straight in the given diagram.
When wires are considered infinitely long, certain simplifications can be made in calculations and analyses involving them. These simplifications are based on the assumption that the wire extends indefinitely in both directions, allowing us to disregard the wire's ends when considering its behavior.