In electrical terminology, what is a significant effect of resistance?

Resistance in an electrical circuit plays a crucial role in limiting the flow of current. According to Ohm's Law, which states that current (I) is equal to the voltage (V) divided by the resistance (R), an increase in resistance leads to a decrease in current flow for a given voltage. This relationship illustrates how resistance controls and restricts the amount of electrical current that can pass through a circuit, ensuring that components operate within their safe limits and preventing overloads.

While it's true that resistance can also lead to the generation of heat and can influence voltage and power consumption, the primary and most direct effect of resistance is its ability to limit current flow. This characteristic is fundamental to circuit design and safety, as managing current levels is critical to the functionality and longevity of electrical systems.