# เอช
## Noun (N)
### Sense: the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
- 普朗克常数
### Sense: a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
- 亨利