Definition of effective value
: the value of an alternating current or voltage equal to the square root of the arithmetic mean of the squares of the instantaneous values taken throughout one complete cycle
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up effective value? Please tell us where you read or heard it (including the quote, if possible).