Electrical Quantities
|
Symbol |
Quantity |
Unit Symbol |
Unit Name |
Expression |
|---|---|---|---|---|
|
V |
Electric Potential |
V |
Volt |
V = W/A |
|
E |
Electromotive Force (EMF) |
V |
Volt |
V = W/A |
|
I |
Electric Current |
A |
Ampere |
I = Q/t |
|
R |
Electrical Resistance |
Ω |
Ohm |
R = V/I |
|
ρ |
Resistivity (Specific Resistance) |
Ω·m |
Ohm metre |
ρ = RA/L |
|
G |
Conductance |
Ω-1 |
Siemens |
G = 1/R |
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Comments (2)
Added formulas:
Anand
I = Q/t
R = V/I
G = 1/R
Ohm’s Law
Anand
V = I R