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AC versus DC. Those were the days…

Take warning! Alternating currents are dangerous. They are fit only for powering the electric chair :) The only similarity between an AC and a DC lighting system is that they both start from the same coal pile. And thus did Thomas Edison try to discourage the growing use of alternating current electric power that was […]

from Energy and Power – EEP – Electrical Engineering Portal http://ift.tt/1WqVgkT
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