What does Ohm's Law describe?

Ohm's Law fundamentally establishes the relationship between voltage, current, and resistance in an electrical circuit. Specifically, it articulates that voltage is equal to the product of current and resistance. This principle is pivotal in understanding how electrical circuits function, as it allows for the calculation of one of these variables when the other two are known.

In a mathematical form, Ohm's Law is represented as V = I × R, where V represents voltage, I is current, and R stands for resistance. This allows practitioners to manipulate the equation to solve for an unknown variable, facilitating electrical troubleshooting and design.

Understanding this law is crucial for anyone working with electrical systems, as it lays the foundational framework for more complex electrical theories and applications.