A resistor is an example of what component in a circuit?

A resistor is categorized as a load in an electrical circuit because its primary function is to consume electrical energy and convert it into heat, light, or both. When current passes through a resistor, it encounters resistance, which causes it to dissipate energy in the form of heat, thereby reducing the amount of electrical energy available for use by other components in the circuit.

In a circuit, a load is any component that draws power from the source. Examples include resistors, light bulbs, and motors. Resistors specifically are designed to create a specific amount of resistance, allowing engineers to control the flow of electricity and protect sensitive components from excess current that could lead to damage.

The other options represent different concepts. An energy source provides electrical energy, while an energy transfer medium is not a direct component but rather represents materials (like wires) that carry electrical energy. Ground potential refers to a reference point in the circuit that has zero voltage or a common return path, rather than a component that consumes energy. Understanding the role of each type of component helps in circuit design and analysis, making it crucial to recognize that a resistor's function aligns with that of a load.