Equations Flashcards
1
Q
Ohms law
A
V=IR
2
Q
Power
A
W = V.I = I^2.R
3
Q
Charge (Q)
A
Q = I.t
4
Q
Capacitance (farads)
A
Farads = Coulombs / Volts
5
Q
Defib
A
1/2 x farads x volts^2
1/2 x charge x volts
6
Q
Laminar flow
A
Q = P x Pi x r^4 / 8 x viscosity x length
7
Q
Reynolds
A
density x velocity x diameter / viscosity
8
Q
Turbulent flow
A
Proportional to root pressure, 1/root length, 1/root density
9
Q
Diffusion
A
Directly proportional to permeability constant (solubility / root MW), area and conc gradient
Inversely proportional to thickness
10
Q
Bohr eqn
A
Vd/Vt = PACO2 - PECO2 / PACO2
