What type of current flows in one direction?

Direct current is characterized by the flow of electric charge in a single direction. This type of current is commonly used in battery-powered devices, where the voltage remains constant and the flow is steady over time. Direct current is essential for applications that require a stable and uniform voltage supply, such as in electronic circuits, charging batteries, and powering small electronic devices.

In contrast, alternating current fluctuates direction periodically, which is suitable for power distribution because it can be easily transformed between voltage levels. Static current isn’t a recognized term in electrical contexts, as it typically refers to a state of charge rather than a flow of current. Surge current refers to a momentary increase in electrical current, often seen in electrical systems during transient conditions. Understanding the unique characteristics of direct current is important for navigating its applications and benefits in electrical engineering and electronics.