Question
Download Solution PDFThe RMS value of voltage (Vrms) in a purely resistive AC circuit is related to peak voltage (Vm) by ______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept
The RMS value of an alternating current is the steady (D.C) current that produces the same amount of heat as the A.C.
The RMS value of any signal is given by:
\(RMS=\sqrt{{1\over T}\int_{-\infty}^{\infty}x^2(t)\space dt}\)
where, T = Time period of the signal
Explanation
The RMS value of a purely resistive AC circuit is given by:
\(\rm V_{rrms}=\frac{V_m}{\sqrt2}\)
where, Vm = Peak value of the signal
Last updated on Jun 7, 2025
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