| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| electric permittivity of free space value | 0.68 | 0.7 | 9259 | 64 | 41 |
| electric | 0.06 | 0.7 | 3684 | 11 | 8 |
| permittivity | 1.55 | 0.8 | 1676 | 76 | 12 |
| of | 1.97 | 0.3 | 6550 | 56 | 2 |
| free | 0.7 | 0.7 | 3882 | 97 | 4 |
| space | 0.76 | 0.3 | 9853 | 59 | 5 |
| value | 0.61 | 0.9 | 1629 | 65 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| electric permittivity of free space value | 0.62 | 1 | 3128 | 43 |
| value of permittivity of free space | 2 | 0.4 | 975 | 62 |
| electric permittivity of free space unit | 1.36 | 0.1 | 335 | 10 |
| permittivity of free space exact value | 1.51 | 0.7 | 8016 | 20 |
| value of relative permittivity of free space | 1.82 | 0.3 | 4481 | 50 |
| value of absolute permittivity of free space | 1.94 | 1 | 7395 | 47 |
| permittivity of free space constant e0 value | 0.18 | 0.5 | 6410 | 91 |
| permittivity of free space constant value | 0.73 | 1 | 2368 | 24 |
| permittivity of free space in ev | 0.28 | 0.8 | 1986 | 71 |
| value of free space permittivity | 0.56 | 0.5 | 5898 | 77 |
