GI series :1000w dc to ac off grid inverter
In June 1752, the self-taught Benjamin Franklin made a famous kite experiment; he and his son flew a kite in a thunderstorm, attracting the lightning in the air, and a metal key tied to the other end of the kite string and Franklin. Between his hands, a series of electric flowers were produced, and he felt the taste of numbness at the same time, which confirmed that lightning is a phenomenon of electricity[15]:92-94[16]. Franklin made another experiment and found the law of conservation of charge, that is, in any isolated system, the total amount of electricity remains unchanged [11]: 44.
In 1767, Joseph Priestley experimented and found that inside a charged metal container, the electric force was zero. From the results of this experiment, he accurately guessed that the attractive force of charged objects acting on each other obeys the same law as universal gravitation. In 1785, Charles Coulomb experimented with a torsion balance, which confirmed Priestley's conjecture, that the force exerted by two charged bodies on each other is inversely proportional to the square of the distance. He established the fundamental law of electrostatics, Coulomb's law. In this regard, the study of electricity has been promoted to a precise science
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