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The peak value of a sinusoidal ac signal is RMS voltage divided by 0.707, or two times the square root of two.

Note: AC signals are rarely truly sinusoidal, because power supplies rarely pull a consistent load for the full duty cycle. (They pulse.) This introduces harmonics in the signal, which cause error in the above calculation but, unless the harmonics are extreme, the calculation is close.

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Q: Calculation of peak value for ac signal?
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Related questions

What value exactly matches the rms value of an ac signal?

peak


What is the effective value of an AC signal of 141 volts peak value?

If the AC signal is sinusoidal, then the RMS value is 141 divided by square root of 2, i.e. 99.7 volts.


Which one of the following values exactly matches the rms value of an AC signal A.Effective B.Average C.Peak-to-Peak D. Peak?

the answer is A effective


How do you change dc values to ac values?

To convert DC values to AC values if you are wanting RMS values they are the same. 100V DC and 100V AC (RMS) are the same "value". If you want to know the Peak-To-Peak AC value you would multiply the RMS value by 1.414. So 100V AC RMS equals 141.4 V Peak to Peak.


What are the application of peak detector?

to detect maximum peak os AC signal and convert to DC signal


What is the virtual value of ac whose peak value is 707V?

virtual value=peak value/root 2 =707/1.414 =500


Where are Vpp and V rms?

Vpp is Peak-to-Peak voltage, in other words, in AC voltage, the peak-to-peak voltage is the potential difference between the lowest trough in the AC signal to the highest. Assuming the reference to the voltage is zero, Vpp would be twice the peak voltage (between zero and either the highest or lowest point in the AC waveform). Vrms is the Root Mean Square voltage, think of it as sort of an average (it's not quite that simple). For a sine wave, the RMS voltage can be calculated by y=a*sin(2ft) where f is the frequency of the signal, t is time, and a is the amplitude or peak value.


An AC has a peak value of 12 amps what is the average value of the current?

i think average value of current in ac current is zero.


A technician uses an oscilloscope to measure the peak value of an AC wave He tells you that the voltage has a peak value of 100 v What is the rms value of the voltage?

you take the peak voltage and divide it by the square root of 2 100/1.414= 70.7 volts rms This is true only for sine wave. For other waveforms like a triangle signal it is different.


What is an AC source?

signal value changes with time


Does RMS value exist in DC?

You have not provided enough information. For 12 volt peak to peak, purely AC signal, there will be no DC (hence purely AC). This means there is no offset - the AC signal peaks at 6 volts and -6 volts. The RMS value of this is VRMS = peak / sqrt(2) = 6 / 1.4.


A technician uses an oscilloscope to measure the peak value of an ac wave he tells you that the voltage has a peak value of 100v what is the rms value of the voltage?

100v divided by 1.41