| DESCRIPTION |
EQUATION |
| Ohm's Law |
 |
| Phase constant of a driven oscillation |
 |
| Phase difference between the first and last waves for a single-slit diffraction pattern |
 |
| Potential due to a line charge |
 |
| Potential energy of simple harmonic motion |
 |
| Power transmitted by a harmonic wave |
 |
| Poynting vector |
 |
| Radiation absorbed by an object |
 |
| Refractive index |
 |
| Resistance |
 |
