| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| electric permittivity of free space | 0.98 | 0.4 | 9604 | 40 | 35 |
| electric | 1.28 | 0.1 | 2420 | 3 | 8 |
| permittivity | 1.55 | 0.2 | 7171 | 42 | 12 |
| of | 1.45 | 0.4 | 4902 | 62 | 2 |
| free | 0.68 | 0.1 | 4156 | 14 | 4 |
| space | 0.77 | 0.5 | 1952 | 83 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| electric permittivity of free space | 0.53 | 0.3 | 8245 | 90 |
| electric permittivity of free space unit | 0.56 | 0.6 | 460 | 29 |
| value of electric permittivity of free space | 1.4 | 0.3 | 7607 | 92 |
| what is electric permittivity of free space | 1.04 | 0.1 | 6204 | 78 |
| permittivity of free space | 1.81 | 0.2 | 8749 | 80 |
| permittivity of free space in ev | 1.37 | 0.8 | 6372 | 10 |
| permittivity of free space in physics | 1.28 | 0.7 | 5223 | 19 |
| permitivity of free space | 0.82 | 0.3 | 6997 | 37 |
| permittivity of free space unit | 0.43 | 0.5 | 4176 | 11 |
| permittivity of free space constant | 0.89 | 0.6 | 5789 | 16 |
| permittivity of free space constant e0 | 1.64 | 0.6 | 2721 | 69 |
