Post on 14-Apr-2017
Direct Current X
Alternate CurrentVirgilio Alves
SummaryWhat are DC and AC?
Who were Thomas Edison and Nikola Tesla?
Why does DC and AC turns rivals?
World’s Columbian Exposition
Conclusion
Direct Current
The flow of charge is always unidirectional
Alternate Current
Flow of electric charge periodically reverses direction.
Waveform: Current X Time
Thomas EidsonAmerican inventor and
businessman.
1847-1931
1093 patents
Main Inventions
Lamp Phonograph
Nikola TeslaWas born in Austrian Empire
and when he comes to America, He was 28 years old.
1856-1943
300 patents
Main Inventions
Induction Motor Tesla Coil
Transmission From Niagara Falls to Buffalo-NY
Big transmission power line
Changed the type of current
Tactics used by Edison to defame Direct Current:
Electric Chair
Electric Chair
Topsy Electrocution
World’s Columbian ExpositionIt happened in
Chicago, 1893It was essential to
the type of current chosed
Nikola Tesla lit all fair with Alternate Current
Which one is the best current?
Both are essential to us!!!!!Batteries of car
Batteries of Cellphones
Electronic Products
Electricity’s transmission
Industries
Public transportation (trains)
THANK YOU!!!