Current, charge and Bowa Flashcards
1
Q
When current flows through resistors what happens
A
They get hot
2
Q
The thinner the wire, the
A
hotter the wire gets
3
Q
How do filament lamps glow
A
Getting hot via the current
4
Q
what happens to the heat in a filament lamp
A
it is wasted
5
Q
CFL stands for
A
compact fluorescent lamp
6
Q
How do CFLs waste less energy
A
Produce less heat, therefore more efficient and less wasteful
7
Q
Highest efficiency rating?
A
A
8
Q
What is meant by watts
A
Joules transferred per second
9
Q
What is meant by potential difference
A
Energy transferred per coulomb
10
Q
What is meant by current
A
Coulombs per second
