Definition

A component in an electrical circuit that limits or regulates the flow of electric current by providing resistance.

Example

The technician replaced the faulty resistor to restore the circuit's functionality.

Conversation

Hey, do you know what a resistor does in a circuit?

Yeah, it's used to control the current, right?

Exactly! I was trying to fix my old radio, and I think I need a new resistor.

You should definitely get one; it might solve the problem.

Synonyms & Antonyms

Root Explanation

Resistor → It is formed from "re-" (meaning again) and "sistere" (meaning to stand). The word describes a device that stands against or opposes the flow of electric current.

Memory Tip

Think of a device that 'stands against' ('sistere') the flow of electricity, which is what a resistor does.

Visually Confused Words