Electrical & Electronics Quantities Units and Symbols
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| Electrical Quantity |
Quantity Symbol |
Unit |
Unit Symbol |
| Admittance |
Y |
Siemens |
Ω−1 |
| Apparent Power |
S |
Volt-Ampere |
VA |
| Capacitance |
C |
Farad |
f |
| Charge |
Q |
Coulomb |
C |
| Conductance |
G |
Siemens |
Ω−1 |
| Conductivity |
σ (sigma) |
siemens per metre |
S/m |
| Current |
I |
Ampere |
A |
| Electric Charge |
Q |
Ampere-hour |
Ah |
| Frequency |
f |
Hertz |
Hz |
| Heat |
H |
Joule |
J |
| Impedance |
Z |
Ohm |
Ω |
| Inductance |
L |
Henry |
H |
| Luminance |
Lux |
Candela per square meter |
cd/m2 |
| Luminous Flux |
Φv |
lumen |
lm |
| Magnetic flux |
Φ |
Weber |
Wb |
| Magnetic Flux Density |
B |
Tesla |
T |
| Magnetic Permeability |
µ (mu) |
Henry per Metre |
H/m |
| Permittivity |
ε (epsilon) |
Farad per Metre |
F/m |
| Power (Active Power) |
P |
Watts |
W |
| Proportion unit |
|
Decibel |
dB |
| Reactive Power |
Q |
Volt-Ampere Reactive |
var |
| Magnetic Reluctance |
R |
Inverse Henry |
H−1 |
| Resistance |
R |
Ohm |
Ω |
| Resistivity |
ρ (Rho) |
Ohm meter |
Ωm |
| Voltage |
E or V |
Volt |
v |
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Current is I and ampere is rather A please.
I suggest so, if I’m right
You’re right, thanks for pointing this out. It was a clerical error and has now been corrected.