Which property of a parallel circuit allows for more voltage to be added without exceeding its limits?

The property of a parallel circuit that allows for more voltage to be added without exceeding its limits is the presence of separate pathways for current. In a parallel circuit, components are connected across common points or junctions, resulting in multiple paths for current to flow. This configuration means that if one path has an increased voltage or load, the other paths can still operate independently without demanding the same voltage across all components.

As a result, the voltage across each branch remains the same, equal to the supply voltage, regardless of how many branches are connected. This allows for the addition of more components without affecting the overall voltage supply to each individual branch, thus maintaining the functionality of the circuit even as more paths are created.

In contrast, a series circuit would see the addition of components lead to a drop in voltage across each component, which can cause issues like exceeding the voltage limits of the circuit. Hence, the ability of a parallel circuit to accommodate increased voltage while preserving individual circuit functionality is directly linked to its characteristic of having separate pathways for current.