| ??? 10/05/06 16:36 Read: times |
#125856 - RMS because of same heat dissipation Responding to: ???'s previous message |
Abhishek said:
if wave is integrated witout squaring them it would result a zero over 0 to 2pi. Yes, but taking the absolut value of double squaring (E(t)^4) would also prevent this. There's a deeper sense, that E(t) is squared: "RMS value", or like we call it in german, "effective value", is that constant (DC) level, which causes the same dissipated heat across resistance R, over a certain time period. And as momentary heat dissipation is P = U(t)^2 / R = I(t)^2 x R we must square E(t) (whether it's U(t) or I(t)) and integrate it over the time period we are interested in to get the RMS value of E(t). Kai |
| Topic | Author | Date |
| Or | 01/01/70 00:00 | |
| 0.707 where does it come from??? | 01/01/70 00:00 | |
| Yawn | 01/01/70 00:00 | |
| Calculus ? | 01/01/70 00:00 | |
| Hi All, | 01/01/70 00:00 | |
| I think Steve like everyone else | 01/01/70 00:00 | |
| Clearly | 01/01/70 00:00 | |
| RMS because of the bipolarity | 01/01/70 00:00 | |
| RMS because of same heat dissipation | 01/01/70 00:00 | |
| Thanks for information | 01/01/70 00:00 | |
| re | 01/01/70 00:00 | |
| 2 things | 01/01/70 00:00 | |
| correction | 01/01/70 00:00 | |
| Yes, What you said. | 01/01/70 00:00 | |
| I'm next, same fate | 01/01/70 00:00 | |
| re;Calculus | 01/01/70 00:00 | |
| Hi Jacob | 01/01/70 00:00 | |
| yep | 01/01/70 00:00 | |
| Reminds me of.. | 01/01/70 00:00 | |
| Hi Kalpak, | 01/01/70 00:00 | |
| What You "We" Kemosabi | 01/01/70 00:00 | |
| what a compliment | 01/01/70 00:00 | |
| Steve, where are you?? | 01/01/70 00:00 | |
| Anyone remember Ivor catt? | 01/01/70 00:00 | |
| That is the guy! Ivor Catt. | 01/01/70 00:00 | |
physics | 01/01/70 00:00 | |
| Assuming a Sine wave | 01/01/70 00:00 |