What does ACDC mean in PHYSICS

AC/DC stands for Alternating Current/ Direct Current.

Alternating current, or AC, works by changing directions periodically. It moves forward, then backward in a continuous cycle, generating an oscillation in the voltage and current levels. This allows it to power anything that requires electrical energy like light bulbs, motors, and computers.

Direct current, or DC, always flows in one direction — usually from negative to positive — and stays at a steady voltage level throughout its journey along the circuit. This makes it ideal for powering small items such as batteries or certain types of electrical motors and pumps.

Alternating current is more efficient than direct current because it can travel farther over longer distances with minimal energy loss due to heat dissipation. Additionally, it can be easily switched on and off using a variety switchgear which makes it more convenient to use for large scale energy needs such as running industrial machinery or powering residential homes.