This page discusses the role of resistors in electrical circuits for regulating voltage and current, emphasizing the significance of understanding their values and error ranges for equipment functiona...This page discusses the role of resistors in electrical circuits for regulating voltage and current, emphasizing the significance of understanding their values and error ranges for equipment functionality. It defines "accepted value" and "experimental value," and demonstrates how to calculate error and percent error using aluminum density as an example. As measurement accuracy diminishes, the percent error rises, indicating reduced precision.