Question: The symmetrical saw tooth waveform voltage as shown in figure is applied to an average responding a.c voltmeter with a scale calibrated in term of the r.m.s value of a sine wave. Calculate: 1. The form factor of square wave voitage. 2. The error in the meter indication V(t) 100- -100 4Sec Sol:

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Question:
The symmetrical saw tooth waveform voltage as shown in figure is applied to an
average responding a.c voltmeter with a scale calibrated in term of the r.m.s
value of a sine wave. Calculate:
1. The form factor of square wave voitage.
2. The error in the meter indication
V(t)
100
-100
4Sec
Sol:
V(t)=25t
Vav.=50V
Vrms(True) 57.75v
Vrms(Measured)=55.5V
F.F(True)=1.154
Error-0.0389%
Transcribed Image Text:Question: The symmetrical saw tooth waveform voltage as shown in figure is applied to an average responding a.c voltmeter with a scale calibrated in term of the r.m.s value of a sine wave. Calculate: 1. The form factor of square wave voitage. 2. The error in the meter indication V(t) 100 -100 4Sec Sol: V(t)=25t Vav.=50V Vrms(True) 57.75v Vrms(Measured)=55.5V F.F(True)=1.154 Error-0.0389%
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