| ABOUT
| CATEGORIES
| Worlds of David Darling |
ADVERTISING | CONTACT |
first law of thermodynamics
Also known as the law of conservation of energy, the principle that energy cannot be created or destroyed, but only changed from one form to another. First law efficiency measures the fraction of energy supplied to a device or process that it delivers in its output.
Related categories
• BASIC SCIENCEAlso on this site:
Encyclopedia of Science
Encyclopedia of History