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This document discusses the history and development of electricity meters. Early meters used electrolysis or pendulums to measure energy usage but had limitations. The invention of the transformer in 1885 allowed alternating current systems to be developed. This created a need for meters that could measure AC energy. In 1888, Hungarian engineer Otto Blathy invented the induction watt-hour meter, which solved this problem and became the standard meter. It worked by using electromagnetic induction from two co

Author

Manish

Language

EN