Type of charge distribution
|
Denoted by
|
Value
|
Unit
|
Line Charge
|
λ (Line charge density)
|
ΔQ/Δl, Δl is small line element of wire that contains microscopic charged constituents and ΔQ is charge contained in the line element.
|
C/m
|
Surface Charge
|
σ (surface charge density)
|
ΔQ/ΔS, ΔSis an area element on the surface of a conductor and ΔQ is charge on that element.
|
C/m2
|
Volume Charge
|
ρ (volume charge density)
|
ΔQ/ΔV, ΔV is a volume element which includes a large number of microscopically charged constituents and ΔQ is charge on that element.
|
C/m3
|
Electric field due to above volume charge distribution (for 1 and n volume elements) will be:
