What is the symbol typically used to represent circuit resistance?

The symbol typically used to represent circuit resistance is R. In electrical engineering, resistance is a measure of how much a material opposes the flow of electric current. The unit of resistance is ohms, which is represented in formulas and circuit diagrams by the letter R. This notation is widely accepted in both theoretical and practical applications, making it easily recognizable to anyone studying electrical circuits.

Other symbols represent different electrical quantities: V denotes voltage, I represents current, and P is used for power. Understanding these symbols is fundamental for analyzing electrical circuits, as they each play a unique role in Ohm's Law and other electrical equations.