ch. 1 electric change Flashcards
1
Q
two kinds of electric charge
A
- proton (+)
- negative charge
2
Q
What happens to electrical charge in an isolated system?
A
Always conserved
3
Q
Nano
A
10^-9
4
Q
Mini
A
10^-3
5
Q
micro
A
10^-6
6
Q
Conductors
A
- Have some free electrons
- free electrons not bound to the atoms
- move relatively freely through the material
7
Q
Good conductor
A
- When charged in a small region, charge distributes itself over the entire surface
8
Q
Typical conductor
A
Metal
Water
9
Q
Insulator
A
- Electrons are bound to atoms
10
Q
Good insulator
A
When charged in a small region, charge is unable to move to other regions
11
Q
Type of insulator
A
Glass
Rubber
Wood
