What is the relationship defined by Ohm's Law?

Ohm's Law describes the fundamental relationship between voltage, current (amperage), and resistance in an electrical circuit. This law states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance of the conductor. The mathematical expression of Ohm's Law is V = I × R, where V represents voltage, I represents current, and R represents resistance. This relationship is crucial in understanding how electrical circuits function, allowing for the calculation of one variable if the other two are known.

Understanding this relationship helps in various applications, such as designing circuits, troubleshooting electrical issues, and ensuring electrical safety. By grasping how voltage, current, and resistance interact, individuals can effectively apply this knowledge in practical situations.