Final answer:
True, pictorial diagrams are key tools for troubleshooting as they help visualize and simplify complex systems like electrical circuits, making it easier to identify issues and apply solutions.
Step-by-step explanation:
The statement that pictorial diagrams are best used for troubleshooting is True. Pictorial diagrams, also known as schematic diagrams, are indeed very useful in visualizing the main features of complex systems such as electrical circuits. By simplifying and highlighting the essential components and connections, they allow for easier identification of issues and better understanding of how the system operates.For instance, a schematic of an electrical circuit can represent various real-world situations, whether a large truck battery powering a headlight or a small battery in a penlight. The importance of such diagrams lies in their ability to abstract different scenarios into a universally understandable representation.In fields like physics, diagrams including free-body diagrams and accurate scale diagrams, like those used in the head-to-tail method for vector addition, are critical. They help users to visualize problems and apply the correct mathematical solutions efficiently. Thus, for anyone involved in troubleshooting, especially within sciences and engineering, effectively using pictorial diagrams is an essential skill.