| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| permittivity of free space in ev | 1.33 | 0.3 | 3913 | 18 | 32 |
| permittivity | 0.89 | 0.6 | 8509 | 91 | 12 |
| of | 1.87 | 0.5 | 8902 | 38 | 2 |
| free | 0.7 | 1 | 2249 | 36 | 4 |
| space | 0.07 | 0.5 | 1261 | 45 | 5 |
| in | 1.85 | 0.2 | 6101 | 50 | 2 |
| ev | 0.71 | 0.9 | 7758 | 66 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| permittivity of free space in ev | 0.19 | 0.2 | 269 | 26 |
