What symbol is commonly used to represent current flow?

The symbol commonly used to represent current flow is "I." In electrical engineering and physics, current is defined as the flow of electric charge, and the term "current" derives from the Latin word "currere," which means "to run." Therefore, it is designated with the letter "I" to represent intensity of current.

This notation is widely used in various formulas and equations, such as Ohm's Law, which states that voltage (V) is equal to current (I) multiplied by resistance (R), expressed as V = I × R. Understanding this symbol is fundamental for analyzing electrical circuits and comprehending the behavior of electricity in different contexts.

The other symbols mentioned are associated with different electrical concepts: "C" typically denotes capacitance, "V" represents voltage, and "R" signifies resistance, each playing distinct roles in the study and application of electrical systems.