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QSUA for Advancing Physics Unit G491

QuantitySymbolUnitAbbreviated Unit
length l metre m
diameter d metre m
radius r metre m
extension x metre m
force F newton N
current I amp(ere) A
resisitance R ohm omega
conductance G siemens S
conductivity s siemens per metre S m^-1
resistivity rho (looks like p) ohm metre omega m
density rho (looks like p) kilogram per cubic metre kg m^-3
cross sectional area A square metre m^2
stress sigma (bit like o) pascal Pa
charge Q coulomb C
focal length f metre m
curvature or power dioptre D
wavelength lambda metre m
frequency f hertz Hz
speed v metre per second m s^-1
refractive index n no unit no unit
magnification m no unit no unit
potential difference V volt V
power P watt W
energy E joule J
time t second s
emf E volt V
internal resistance r ohm omega
bandwidth B hertz Hz
bit rate b bit per second bit s^-1
sample rate W samples per second s^-1
strain epsilon (curly e) no unit no unit
young modulus E pascal Pa
Created by: allydavies