When resistance is increased in a circuit, what happens to the current?

When resistance in a circuit is increased, the current flowing through the circuit decreases. This relationship is described by Ohm's Law, which states that current (I) is equal to voltage (V) divided by resistance (R). Therefore, if the voltage remains constant and the resistance increases, the current must decrease to maintain the equation's balance. This results in a lower rate of electron flow through the circuit. Understanding this fundamental principle is crucial, as it applies to various electrical applications and helps in the analysis and design of circuits.