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Briefly describe the three ERA's of electrical technology
THe first era of electrical technology was befor 1800 it was domained by the explorative work of william gilbert and benchen franklin.The 2nd era began in 1800 with the invitation of electro chemical deposiotion by william nicholas and antoney carisle .The discovery of electromagnetive induction by Micheal Faraday 1831 marked the begening of 3rd era in electrical thechnology