Quantity
Symbol (SI)
Unit (SI)
Symbol(cgs)
Unit (cgs)
Relationship
10–3 Oe; 1 Oe = 10–4 T = 0.1 mT10–7 Hm–1 G/Oe
= M/
= I/
= M/H = I/H G/Oe = 1 (cgs unit)/4
= /= /10–3 G/Oe·cm3/g|
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 = 410–3 Oe; 1 Oe = 10–4 T = 0.1 mT |
| Permeability of a vacuum |
0 = 410–7 Hm–1 |
— | 0 = 1 | — |
1 Hm–1 = 107/4 G/Oe |
| 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 |
= M/ |
Am2/kg |
= I/ |
G·cm3/g | 1 Am2/kg = 1 G·cm3/g |
| Susceptibility: | |||||
| Per unit volume |
= M/H |
Dimensionless |
= I/H |
Dimensionless |
1 (SI unit) = 4 G/Oe = 1 (cgs unit)/4 |
| Per unit mass |
= / |
m3/kg |
= / |
cm3/g |
1 m3/kg = 410–3 G/Oe·cm3/g |
