6.
Light bulb :
- Works under high temperature
- Heat flows through the tungsten wire
which is the most important part of the
light bulb
Action of light bulb
7.
Types of lightbulbs :
- Incandescent bulbs (ordinary)
- CFLs
- LED Light Bulbs
- Halogen bulbs (halogen)
Types of light bulbs
9.
Date of birth : 1879
Date of death : 1931
Family :
- 4 sons and 2 daughters with
2 wifes
The most important
facts
10.
Thomas Alva Edison :
- A creator of many useful inventions for
people
- A member of the National Academy of
Sciences in Washington
Inventor
11.
1886 – Edison Electric Light Company
was founded
1911 –The first power station and the
first electric urban lighting system were
built by the company
1887 – West Orange Lab was opened
Company
