instantaneous,peak,peak 2 peak and rms walue

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mohsin3069

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what is difference b/w instantaneous value ,peak value ,peak 2 peak value and rms value???
 

for example you have an AC source its voltage is expressed by
V(t)=A*cos(ωt) Volt
at any time t the voltage instantenous vale is expressed by the equ.
voltage peak vale is A
peak 2peak value is 2*A
while rms value is A/sqrt(2)
RMS for any waveform is the root of the mean of the signal squared.
 

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    mohsin3069

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ISTANTANEOUS VALUE:-
Any point in time on a sine wave,the voltage (or current) has an Instantaneous value .This instantaneous value is different at different points along the curve.
PEAK VALUE:-
The peak value of a sine wave is the value of voltage (or current) at the positive or the negative maximum (peak) w.r.t zero.
PEAK TO PEAK VALUE:-
The peak 2 peak value of a sine wave is the value of voltage (or current) from the positive peak to negative peak.
Vpp=2Vp
Ipp=2Ip
RMS VALUE:-
The term rms stand for root mean square.It is also referred to as the effective value.
Vrms=0.707Vp
Irms=0.707Ip
 
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