The rms value of a sinusoidal voltage is \( \frac{V_{0}}{\sqrt{2}} \), where \( V_{0} \) is the ...

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The rms value of a sinusoidal voltage is \( \frac{V_{0}}{\sqrt{2}} \), where \( V_{0} \) is the amplitude (as shown in the following figure). What is the rms value of its fully rectified wave? Recall that \( V_{\text {red }}(t) \) \( =|V(t)| \).
(A) \( \frac{V_{0}}{\sqrt{2}} \)
(B) \( V_{0} \sqrt{2} \)
(C) \( V_{0} \)
(D) \( \frac{V_{0}}{2} \)
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