Electricity Definitions & Usage
Transcript of Electricity Definitions & Usage
Electricity
Physics
Ms. Henry
School House Rock: Title 49 (Chapter 1)
Words to Know:Electrostatic (Electro + Static)
Charge
Insulator
Conductor
Words to Know, cont.:
Electroscope
Grounding
Coulomb
Grounding
Generator
Electrons
Lightninghttp://dsc.discovery.com/videos/w
onders-of-weather-lightning-phenomena.html
Getting Charged…
Pick a Station (3-4 in a group):Paper Pick UpGelatin StalagmitesRunaway Soda CanRepelled TapeSwinging “Pith” of Death
Coulomb’s LawCharge (q) Distance (r)Force (F)
Van de Graaff Problems
4.0x10-6C VDG with a 6.0x10-6C VDG at 1.5 meters apart.◦What is the electric force?
Electron (-1.6x10-19C) with a proton at 1.0x10-10m to the right.◦What is the electric force?
Add an electron at 2.5x10-6m below.
Find the net force with both charges.