The second time (2.0)-the invention of the electric light realizes the first use of electricity

The second time (2.0)-the invention of the electric light realizes the first use of electricity

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In the 1870s, the great scientist Edison invented the DC generator and the tungsten filament light bulb, successfully bringing electricity to mankind, marking the first time that mankind has entered the age of electricity, but because DC power can only be used for a short distance Transmission, the wide application of electricity is restricted.

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