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Physics · 2023 · 1 mark
Alternating CurrentRepresentation of AC Current and Voltage by Rotating Vectors — Phasors1 markApplymcq
CBSE 2023 · Region 3 · Set 1 · Q15
A voltage signal is described by: v = V_0, for 0 ≤ t ≤ T/2; =0, for T/2 ≤ t ≤ T for a cycle. Its rms value is:
A voltage signal is described by : \[\begin{aligned} \mathrm{v} & =\mathrm{V}_{0} & & \text { for } 0 \leq \mathrm{t} \leq \frac{\mathrm{T}}{2} \\ & =0 & & \text { for } \frac{\mathrm{T}}{2} \leq \mathrm{t} \leq \mathrm{T} \end{aligned} \] for a cycle. Its rms value is :
Official answer
(A)
$\displaystyle \frac{\mathrm{V}_{0}}{\sqrt{2}}$
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