3532630
Description
Mind Map by beduardo1000, updated more than 1 year ago
|
Created by beduardo1000
almost 9 years ago
|
|
the evolution
- of electric power
- in the eary 1800the first time electricity
was available for cities like new york paris
and london it seemed magical and
mysterious
- electrisity presented some danger because it could
not be seenas it travelled through the wires so ir
was important to warn people about the hazards of
this amazing new invention
- thomas a edison invented the firstelectrical
current meter it measured the amount of
metal deposited on a copper plate
- the light bulb too has gone throuha series of
developments the condept was developed by thomas
edison joseph swan and other scientists they were called
filament buloos or incandescennt bulbs
- in the eary 1800the first time electricity
was available for cities like new york paris
and london it seemed magical and
mysterious
Want to create your own Mind Maps for free with GoConqr? Learn more.