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What is a RMS?

Updated: 9/15/2023
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15y ago

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RMS stands for Root Mean Squared. It is this average voltage that is read on a multimeter.

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Continue Learning about Physics

A gas consists of a mixture of neon and argon The rms speed of the neon atoms is 350 What is the rms speed of the argon atoms?

250 m/s


What is meant by rms velocity?

rms means root mean square, or in a roundabout way the average. Therefore the average velocity or average speed (of a car?)


What is unit of measurement of RMS?

how many meter are there in 450 running meter


What is rms speed?

RMS stands for "root mean square", and it represents an average of sorts. If you are interested in more technical details, or actually want to calculate RMS, the Wikipedia article on "root mean square" gives you a good overview. Note that for continuously changing values (as opposed to a few discrete measurements) this requires a knowledge of calculus, specifically integration.


AC or DC supply is given to a bulb which gives more illumination?

In AC supply, the RMS current is the effective current for power used in a resistive circuit. This is defined as the square root of the mean value of the square of the current, taken over a whole cycle. The RMS current dissipates power at the same rate as a DC current of the same value. A light bulb of course gives out light dependent on the current through the filament. So if the RMS current and the DC current are the same value, the light produced will be equal. With AC supply, the RMS value of current and volts is 1/(square root of 2) x the peak value, so peak value = 1.414 x RMS value. If you supplied DC at volts and current equal to the peak AC value, the power given to the light bulb would clearly be greater. Therefore to answer your question you have to specify what relative values your AC and DC supplies have.

Related questions

Was the Titanic SS or RMS?

RMS


What and where is the best 1 RMS or PMPO?

rms is the best because 1 RMS = 100 PMPO


What does RMS on the Titanic stand for?

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


How convert RMS to PMPO?

There is no proper formula to convert RMS to PMPO, but based on various observations it has been found out that 12W to 16W PMPO = 1W RMS.


What is RMS stand for in the RMS titanic?

Royal Mail Steamer


Survivors of rms Britannic?

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


What is RMS watt?

RMS watts is not a real measurement. The correct measurement is "average power", which is measured in "watts". It is dervied from RMS voltage, but that doesn't make it "RMS watts". "RMS watts" would be 22% higher than the correct "average watts".


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.


Is the RMS Olympic a real ship?

The RMS Olympic was indeed a real ship. It was the sister ship to the RMS Titanic. It was retired in 1935.


Is 240v rms value or peak value for AC source?

rms. dat means Vp-p will be 325V.


When was the RMS Titanic completed?

The RMS Titanic was completed March 31, 1912.


How long was the RMS Lusitania?

The RMS Lusitania was 787 feet long.