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Use of RMS

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Anonymous

15y ago
Updated: 8/11/2023

I am not certain what is being asked here. RMS is Root Mean Square which is basically the DC voltage which would produce the same amount of heat in a heating element as the AC voltage in question. Since AC is continuously changing in polarity and voltage, it is handy to use the RMS voltage rather than the peak (169.7V for 120V RMS) or peak-to-peak (339.4V for 120V RMS). The peak or peak-to-peak voltage is handy to know when considering the maximum values such as in rectification.

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Wiki User

15y ago

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Related Questions

Why there is no such thing as RMS or watts RMS?

There is such a thing as "RMS power", but it's not useful for anything, so don't use the term. No one measures the RMS of the power waveform. What they do is measure the RMS of a voltage waveform, and then use that to derive the averagepower. The correct term is "average power", not "RMS power". You could measure the RMS of the power waveform instead of the average, but your measurement would be 1.2 times too high.


How do you measure rms value of complex waveform?

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RMS 185watt means how much pmpo please tell you?

PMPO is not standardized. Basically, each manufacturer invents some numbers. Better to use RMS for comparison.


What and where is the best 1 RMS or PMPO?

rms is the best because 1 RMS = 100 PMPO


Which has a higher RMS value given a sine wave a square wave and a sawtooth wave?

A square wave has the highest RMS value. RMS value is simply root-mean-square, and since the square wave spends all of its time at one or the other peak value, then the RMS value is simply the peak value. If you want to quantify the RMS value of other waveforms, then you need to take the RMS of a series of equally spaced samples. You can use calculus to do this, or, for certain waveforms, you can use Cartwright, Kenneth V. 2007. In summary, the RMS value of a square wave of peak value a is a; the RMS value of a sine wave of peak value a is a divided by square root of 2; and the RMS value of a sawtooth wave of peak value a is a divided by cube root of 3; so, in order of decreasing RMS value, you have the square wave, the sine wave, and the sawtooth wave. For more information, please see the Related Link below.


Can you use a 1000 RMS watt amp on your 500 RMS watt sub just to test if it puts out sound without blowing the sub?

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What does RMS on the Titanic stand for?

The RMS on Titanic stood for "Royal Mail Ship".


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What is RMS stand for in the RMS titanic?

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Survivors of rms Britannic?

a survor of the rms Olympic the rms titanic and the brt=itannic is violet jessop who died in 1976