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Kennelly was born in Colaba, close to Bombay, India. He was the son of an Irish naval officer. In 1893, during his research in electrical engineering, he presented a paper on " Impedance" to the American Institute of Electrical Engineers. He researched the use of complex numberThe complex numbers are an extension of the real numbers, in which all non-constant polynomials have roots. The complex numbers contain a number , the imaginary unit with , i. is a square root of. Every complex number can be represented in the form , whers as applied to Ohm's Law in alternating currentAn alternating current AC is an electrical current, where the magnitude of the current varies in a cyclical form, as opposed to direct current, where the polarity of the current stays constant. The usual waveform of an AC circuit is generally that of a pe circuit theory. In 1902Events January-April January 28 The Carnegie Institution is founded in Washington, DC with a $10 million gift from Andrew Carnegie. France, Loisy's L'evangile et l'Eglise which inaugurates the Modernist Crisis February 11 Police beat up universal suffrage, he investigated the ionosphereThe ionosphere is the part of the atmosphere that is ionized by solar radiation, and too tenuous to be cooled by contact with other air. It forms the inner edge of the magnetosphere and has practical importance because it reflects radio waves to distant p's radioFor other uses see: radio (disambiguation Radio is a technology that allows the transmission of signals by modulation of electromagnetic waves with frequencies below those of light. Radio waves Radio waves are a form of electromagnetic radiation, and are spectrum's electrical properties.
Kennelly died in Boston, Massachusetts.