What type of electricity is characterized by a steady flow in one direction only?

• A. Alternating Current (AC)
• B. Direct Current (DC)
• C. Static Electricity
• D. Magnetic Current

Answer: (B)

The type of electricity characterized by a steady flow in one direction only is Direct Current (DC). DC is commonly used in various applications, such as batteries, electronic devices, and some electrical systems, where a constant voltage is required. In a DC circuit, the flow of electric charge is uniform, meaning that electrons move steadily from the negative terminal to the positive terminal without changing direction. This property makes DC particularly valuable for powering devices that rely on a stable voltage source.

In contrast, Alternating Current (AC) alternates the direction of its flow periodically, which is used in home and commercial electrical outlets. Static electricity involves a buildup of electric charge on the surface of objects, rather than a continuous flow of current, and does not represent a consistent electrical supply. Magnetic current, while related to electromagnetic principles, does not refer to a type of electrical flow. Understanding these principles is essential for handling electrical systems effectively in aviation maintenance and operations.