| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| permittivity of vacuum | 1.07 | 0.5 | 9763 | 33 | 22 |
| permittivity | 1 | 1 | 3748 | 24 | 12 |
| of | 1.67 | 0.6 | 2117 | 73 | 2 |
| vacuum | 0.44 | 0.7 | 4297 | 90 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| permittivity of vacuum | 0.09 | 0.8 | 4823 | 32 |
| permittivity of vacuum formula | 1.65 | 0.1 | 2725 | 69 |
| permittivity of vacuum units | 1.77 | 0.1 | 6484 | 15 |
| permittivity of vacuum dimensional formula | 1.22 | 0.1 | 6238 | 81 |
| permittivity of vacuum constant | 0.52 | 0.9 | 3254 | 83 |
| permittivity of vacuum meaning | 1.01 | 0.8 | 8918 | 36 |
| permittivity of vacuum symbol | 1.72 | 0.4 | 6573 | 82 |
| permittivity of vacuum value | 1.07 | 1 | 6738 | 1 |
| dielectric permittivity of vacuum | 0.92 | 1 | 16 | 54 |
| relative permittivity of vacuum | 1.73 | 0.8 | 4060 | 22 |
| vacuum permittivity of free space | 1.3 | 0.3 | 9171 | 92 |
