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Nikola Tesla

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Elizabeth Nelson

on 24 March 2014

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Transcript of Nikola Tesla

Nikola Tesla
Alternating Current

A Quick Overview
After immigrating to the United States, Tesla began working under the power of Thomas Edison. He tried to push his ideas for alternating current (AC), but resigned after a year. Tesla was able to have the creative freedom that he needed to come up with our current-day technology.
Alternating Current vs Direct Current
Electricity is nothing more than moving electrons along a conductor (like a wire) that have been harnessed for energy

In DC, the electrons flow in one steady direction

In AC, the electrons are constantly switching directions, or alternating
So... What's the difference?
Safe to travel over longer distances
Provides more power
Frequency=50Hz or 60Hz
Electrons switch back and forth
Voltage cannot travel very far
Loses energy
Electrons move steadily in one direction
AC vs DC
How the electrons move
The electrons are attracted to the positive end of the wire. The negative side repels the electrons towards the positive end.
Alternating Current Advantages
Transforming voltages
Higher or lower voltage
High voltages from power station can be reduced to a safer voltage for the house
Transformer can change voltages
Tuning circuits
Allows for the use of a capacitor and inductor within an electrical circuit
They affect the way the AC passes through a circuit
Ex: Makes it easier to change between radio and TV stations
Full transcript