What is current?

Current is defined as the flow of electricity, which refers to the movement of electric charge through a conductor, such as a wire. This flow is typically due to the movement of electrons within the material. Current is measured in amperes (A) and can be understood in the context of how electrical energy is transmitted and utilized in various devices and systems.

Understanding current as a flow rather than a static force or accumulation is essential. Unlike static electricity, which results from an imbalance of electric charges and does not flow like current, the flow of electricity indicates that there is a continuous movement of charge, enabling energy transfer and the operation of electrical circuits.

While the concept of current is related to other electrical properties such as voltage, which is the potential difference that drives this flow, the definition focuses specifically on the active movement or flow of charges rather than variations in voltage or other phenomena associated with static electricity. This distinction is crucial for grasping the fundamentals of electrical theory and practical applications in technology.