A component whose value is measured in ohms is a:

A component measured in ohms is categorized as a resistor because resistance is a property specifically associated with resistors. Resistance represents how much a component opposes the flow of electric current, and it is measured in ohms (Ω). Resistors are designed to limit current, divide voltages, or generate heat as a byproduct of electricity passing through them.

In contrast, capacitors and inductors are measured in farads and henries, respectively, reflecting their roles in storing energy in electric fields and magnetic fields. A transformer, on the other hand, is an electrical device used to transfer electrical energy between two or more circuits through electromagnetic induction and is characterized by its voltage and current ratings rather than resistance. Thus, the distinct measurement of resistance in ohms inherently identifies the component as a resistor.