What type of load is characterized by current that does not vary with voltage?

The type of load characterized by current that does not vary with voltage is a linear load. In a linear load, the relationship between voltage and current is direct and proportional, meaning if you increase the voltage across a linear load, the current will increase in a predictable manner based on Ohm's law. This is typical in resistive loads, where the behavior is steady and consistent.

Reactive loads and nonlinear loads behave differently. For instance, in a reactive load, such as inductors and capacitors, current and voltage may not have a direct 1:1 relationship due to phase shifts—these loads can introduce additional complexities due to reactance. Nonlinear loads, on the other hand, can introduce harmonics and result in current that varies non-proportionally with voltage, often seen in devices like switch-mode power supplies.

Dynamic loads also differ, as they involve changes over time and can be influenced by varying loads, leading to fluctuations in both current and voltage.

Thus, a linear load is the clear choice when describing a load where the current remains consistent with respect to voltage, aligning with traditional electrical principles.