If Vr is the rms value of the inverter output voltage and V1 is the r – McqOptions

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1.	If Vr is the rms value of the inverter output voltage and V1 is the rms value of the fundamental component, then the total harmonic distortion (THD) is given by
A.	Vr/V1
B.	(Vr + V1r
C.	[ (Vr/V1)2 – 1 ]1/2
D.	[ (Vr/V1)1/2 + 1 ]2
Answer» D. [ (Vr/V1)1/2 + 1 ]2

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