What is the correct way to indicate the proper operation of a load according to the diagrams provided?

To determine the correct indication of the proper operation of a load according to provided diagrams, it is essential to understand what each diagram represents regarding load functioning. If the first diagram (I) clearly illustrates the correct voltage levels, current flow, and operational status of the load, then this choice is valid.

This choice reflects that the conditions shown in the first diagram match the specifications for normal operation. For example, if the load is receiving the appropriate voltage and current as per the standards or design requirements, this indicates that it is functioning properly.

Additionally, this understanding helps in diagnosing issues and ensuring compliance with safety and operational guidelines in electrical work. The accuracy of reading and interpreting diagrams is crucial for anyone involved in electrical installation and maintenance. Thus, recognizing the significance of the first diagram confirms that it is indeed indicative of the load’s proper operation, affirming the choice as the correct one in this context.