| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| permittivity of free space in cm | 0.36 | 1 | 4397 | 30 | 32 |
| permittivity | 1.96 | 0.4 | 5074 | 43 | 12 |
| of | 1.47 | 1 | 7431 | 30 | 2 |
| free | 0.79 | 0.5 | 9508 | 28 | 4 |
| space | 0.83 | 0.4 | 7021 | 39 | 5 |
| in | 0.56 | 0.5 | 3125 | 27 | 2 |
| cm | 1.6 | 0.8 | 776 | 73 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| permittivity of free space in cm | 1.71 | 0.7 | 1223 | 57 |
