The saw-tooth voltage waveform shown in the figure is fed

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The saw-tooth voltage waveform shown in the figure is fed to a moving iron voltmeter. Its reading would be close to _________

1. 41 to 49
2. 45 to 48
3. 51 to 55
4. 56 to 59

Correct Option: D

Meter will read RMS value

∴ V_RMS =	V_m	=	100	= 57.73 V
	√3		√3