Apparent Power is a measure of electrical power in an AC (Alternating Current) circuit, represented by the symbol S. It combines both Real Power, which does useful work, and Reactive Power, which supports the voltage levels necessary for the system to function. Apparent Power is measured in volt-amperes (VA) and is calculated using the formula: S = V × I, where V is voltage and I is current. In electrical systems, understanding Apparent Power is crucial for designing and managing equipment. It helps engineers ensure that systems can handle the total power demand without overloading. By analyzing Apparent Power, they can optimize performance and improve energy efficiency in various applications, from residential to industrial settings.