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The RMS value of sine wave is?

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in Network Theory by (157k points)
The RMS value of sine wave is?

(a) 0.707Vp

(b) 0.607Vp

(c) 0.807Vp

(d) 0.907Vp

This question was posed to me during an online exam.

My doubt is from Voltage and Current Values of a Sine Wave topic in section Introduction to Alternating Currents and Voltages of Network Theory

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The correct answer is (a) 0.707Vp

The best I can explain: The root mean square value of a sine wave is a measure of the heating effect of the wave. The RMS value of sine wave is 0.707Vp.

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