alleryRMS value of an AC voltage with peak V₀:
AV₀ / 2
BV₀
CV₀ / sqrt(2) ≈ 0.707 V₀
DV₀ × sqrt(2)
Answer & Solution
Correct answer: C. V₀ / sqrt(2) ≈ 0.707 V₀
V_rms = V₀/sqrt(2) for sinusoidal AC.
For India's 230 V mains, peak is 230 × sqrt(2) ≈ 325 V.
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