student presentation general physics 28 nov 2009

1. Electricity in Daily Life Rishab,Carl,Aum

2. What is electricity? It is just a fundamental conserved property of electric charge. Electric charge

3. Flow of electric charge We have seen a flow of electric charge in daily life: Lightning Cable Others

4. Why we need it Let us image the day we do not have it. What will be ? We will be a caveman

5. Biological needs Nervous system process Na+/K+ pump

6. Economic needs Stock Markets Schools Hospitals News Advertising Light!

7. A Brief History Electric Generator – Michael Faraday,Alessandro Volta Electronics - J.J. Thomson and Charge – Millikan 1809 - Humphry Davy, an English chemist, invented the first electric light.

9. Thailand 2003 consumed 9,091,000,000 Kilowatt 2005+2006 consumed about 107,300,000,000 kilowatt. Last year: 123,900,000,000 According to Thailand electricity 2008

10. How much we use it? Total Population 63,396,000 Male 31,241,000Female 321,55,000 So, totally 1954 kilowatt/ Person Usually a person uses about 20 kilowatt

11. Natural gas 70% Hydro Coal Oil according to : (Thailand, n.d)

12. Reference www.about.com

13. Credit Rishab – research, present, decorate Carl – research, present, decorate Watsuwach – research, present, decorate