Quantity
|
Symbol (SI)
|
Unit (SI)
|
Symbol(cgs)
|
Unit (cgs)
|
Relationship
|
---|---|---|---|---|---|
Energy | E | Joule (J) | — | erg | 1 J = 107 erg |
Force | F | 1N = kg·m/s2 | — | dyne = g·m/s2 | 1 N = 105 dyne |
Current | I | Ampere(A) = Cs | — | abampere = 10 C/s | 1 A = 0.1 abampere |
Induction in free space (field) | B0 | Tesla (T) | B | Gauss (G) | 1 T = 104 G |
Magnetic force (field) | H | A/m | H | Oersted (Oe) |
1 A/m = 4![]() |
Permeability of a vacuum |
0 = 4![]() |
— | 0 = 1 | — |
1 Hm–1 = 107/4![]() |
Induction: | |||||
Induction in free space (field) | B0 = 0H | — | H | — | 1T = 104 G |
Induction in medium | B = B0 + 0M | — |
B = H + 4![]() |
— | 1T = 104 G |
Magnetization: | |||||
Per unit volume | M | A/m | I | G | 1 A/m = 10–3 G |
Per unit mass |
![]() ![]() |
Am2/kg |
![]() ![]() |
G·cm3/g | 1 Am2/kg = 1 G·cm3/g |
Susceptibility: | |||||
Per unit volume |
![]() |
Dimensionless |
![]() |
Dimensionless |
1 (SI unit) = 4![]() ![]() |
Per unit mass |
![]() ![]() ![]() |
m3/kg |
![]() ![]() ![]() |
cm3/g |
1 m3/kg = 4![]() |