resistivity & resistance formula Flashcards
1
Q
If laws 1 and 2 were to be used, what formula would be made?
A
resistance = length/cross-sectional area
2
Q
If all three laws(1,2,3) were to be used, what formula would be made?
A
resistance= resistivity x length/cross-sectional area
3
Q
What does the R stand for?
A
- Resistance
- unite = Ω
4
Q
What does the ρ stand for?
A
- resistivity
- unit = Ωm
5
Q
What does l stand for?
A
- length
- unit = m
6
Q
What does A stand for?
A
- cross-sectional area
- m^2
