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What is the main differences between RMS value and average value?
RMS stands for root mean square. This is done so that negative values are then treated as positive values. In AC power for example, the voltage varies between a negative and a positive value. The number is squared and then the square root of this value is taken and the mean (average) of these numbers gives the answer. For example -40 is squared to become 1600 and then the square root of 1600 is taken to become 40 (a negative number becomes a positive number).If this wasn't done then the average value of AC power would be zero.
Household supply of 230volts is rms value or maximum value of voltage?
When you say holdhold supply of 230volts, you are referring to the RMS value, not the peak value.
Rms value of sum of two sine waves?
question is not clear. RMS is .707 of peak. If you're asking about sums of currents or voltages represented by sine waves and they don't have the same frequency then the sum's RMS value is the square root of the sum of the squared amplitudes of the two waves. The squared amplitudes are proportional to the power in each current or voltage and the result represents the sum of the powers. If the two sine waves have the same frequency then the sum's RMS value is the sum of the two RMS values. The physical circuit has to add power to the signal. (if the amplitudes are equal the resultant will have 4 times the power)
Does digital voltmeter measures rms voltage or peak to peak voltage or average?
Yes, most DMM are ''average responding", giving accurate rms reading if the ac voltage signal is a pure sine wave. They measure the average of the absolute value of ac voltage and are calibrated so that reading are corrected to that of the rms value of a sine wave.Error occur if harmonic are present.
When you increasee the width of a pulse do you increase the RMS value?
Yes, increasing the width of a pulse generally increases its RMS (Root Mean Square) value. The RMS value is influenced by both the amplitude and the duration of the pulse; a wider pulse means that the signal is sustained over a longer period, which contributes to a higher average power. However, the exact change in RMS value also depends on the height of the pulse and how the pulse shape changes with width.
Conversion of RMS CURRENT to peak current?
In an AC circuit the voltage and current are n the form of a sine wave that goes between a maximum and minimum value 60 times a second. Measuring the difference between these values is a peak-to-peak measurement. Root Mean Square (RMS) computes an average (mean). To convert RMS to peak, multiply the RMS figure by 1.41. 1.41 is an approximation of the value of the square root of 2.
Find rms and average value of 15a current?
RMS is just 15/sqr2 average is 15 * 0.637
What is RMS Peak value and average value?
RMS is used to determine the average power in an alternating current. Since the voltage in an A/C system oscillates between + and -, the actual average is zero. The RMS or "nominal" voltage is defined as the square root of the average value of the square of the current, and is about 70.7% of the peak value.************************************************************The r.m.s. value of an alternating current or voltage is the value of direct current or voltage which produces the same heating effect.Fo a sine wave, the r.m.s. value is 0.707 x the peak value.The average value is different; for a sine wave it is 0.636 x the peak value.
Why you are calculating average and rms values for ac supply?
We will always calculate rms value only since the average value of ac current or voltage is zero. So we are using rms values in the ac circuit to calculate the power and to solve an ac circuit.
What is the average value of an ac voltage that has a maximum peak voltage of 80 vac?
To get the average:Volts avg=0.637 X Vp (peak)0.637 X 80 Vp = 50.96 VavgTo get rms (root mean square):Volts rms = 0.707 X Vp (peak)0.707 X 80 Vp = 56.56 VrmsCommentIt should be pointed out that the average value, described above, is for half a cycle. The average for a complete cycle is zero.
How much is 1200 rms equal to watts?
RMS (Root Mean Square) value for power is equivalent to the average power output. Therefore, if a device has a power rating of 1200W RMS, it will output an average power of 1200 watts.
What is the main differences between RMS value and average value?
RMS stands for root mean square. This is done so that negative values are then treated as positive values. In AC power for example, the voltage varies between a negative and a positive value. The number is squared and then the square root of this value is taken and the mean (average) of these numbers gives the answer. For example -40 is squared to become 1600 and then the square root of 1600 is taken to become 40 (a negative number becomes a positive number).If this wasn't done then the average value of AC power would be zero.
What does the peak value of an alternating voltage compare to its quoted value?
Assuming "quoted value" to be RMS value, or average, [what you would see on a meter], the peak would be that value times 1.414. Going backward, peak times .707 is RMS.
The average value of a single sine wave of AC is 42.5amps. what is rms value?
Average Current = 0.636 * (Peak Current)so Peak Current = (Average Current)/0.636RMSCurrent = 0.707 * (Peak Current)so Peak Current = (RMS Current)/0.707Because both equations are in terms of Peak Current, we can set them equal to each other.(Average Current)/0.636 = (RMS Current)/0.707(42.5)/0.636 = (RMS Current)/0.707thenRMS Current = (0.707)(42.5)/0.636 = 47.24 ampsAnother AnswerSince the average value of a single sine wave is zero, you cannot calculate its r.m.s. value!
Is 240v rms value or peak value for AC source?
rms. dat means Vp-p will be 325V.
Household supply of 230volts is rms value or maximum value of voltage?
When you say holdhold supply of 230volts, you are referring to the RMS value, not the peak value.
The RMS value of potential difference or current for a sine wave is always times how many times the amplitude.?
The RMS value in this case is the amplitude divided by the square root of 2. Approximately 0.7 times the amplitude.
