| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| permittivity of free space in cm | 0.3 | 0.3 | 5443 | 53 | 32 |
| permittivity | 1.84 | 0.8 | 5975 | 100 | 12 |
| of | 1.08 | 0.5 | 7457 | 68 | 2 |
| free | 1.69 | 0.9 | 6489 | 25 | 4 |
| space | 0.06 | 0.2 | 1727 | 30 | 5 |
| in | 0.82 | 0.3 | 3311 | 14 | 2 |
| cm | 1.11 | 1 | 9424 | 25 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| permittivity of free space in cm | 0.75 | 0.6 | 1941 | 29 |
