Electrical Engineering with 360+ answers. Active power is power that does actual work - e.g: creating heat, lifting loads, etc. Reactive power is power where the current is out of phase with the voltage, and the Volts x amps doesn't do any real work. Current that charges a capacitor, for example or current that creates the magnetic field around a coil for another. Apparent power is the mathematical combination of these two.
Alfred Carlton Gilbert, Inventor of the Erector Set â Today in History: February 15. On February 15, 1884, the New Haven inventor of the Erector Set, Alfred Carlton Gilbert, was born. A magician, athlete, and savvy businessman, Gilbert enrolled in medical school at Yale in 1904 to pursue a career as a physical education director.
Thomas Edison. Invented the kinetoscope, electric storage battery, iron-ore seperator, and the talking doll. He is well known as the inventor of the motion picture. Took most of the credit in the film industry and he was inventor of movies. He did nickelodeon, he did talking sounds. He had a lot of help from other people, but he got most of the credit from the film industry.