Who was first is unknown, but both Ewald Georg von Kleist and Pieter van Musschenbroek are credited with inventing the Leyden Jar in 1745. This electrical storage device was the first opportunity to use electricity to create a useful electric circuit. There is no acceptable and convincing record of what the first circuits were and who created them. But, credit for the first true electric circuit is due to these two men.
The first person to create a model electric car was Anyos Jedlik in 1828. The first electric car which was able to be driven practically was invented in 1884 by English inventor Thomas Parker.
Leo J. Wahl is the inventor of the first electric shears. Leo Wahl invented them in 1921 after taking over his uncle's company in 1888.
The impedance of an electric circuit is the measure of the opposition presented by a circuit when the current and voltage is applied.
Thomas Edison invented the Parallel circuit while working on the electric light bulb around 1879.
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Electric circuit was invented by Alessandro Volta in 1800.
Garrett Morgan invented The first Electric Stoplight in 1923.
The electric piano was first invented in the 1920s by Harold Rhodes.
Alva J. Fisher had invented the first electric washing machine
An ammeter is a measuring instrument used to measure the electric current in a circuit and was invented by Hans Christian Ørsted
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Paul Eisler invented the first circuit board in 1936.
Jack Kilby invented the first integrated circuit - the microchip
Edward Rogers, Ted Roger's grandfather, invented the first electric radio.
The refrigerator was invented by John Gorrie.
An experimental model was invented in 1827.