Question

If the rms value of sinusoidal input to a full wave rectifier is $\frac{V_0}{\sqrt{2}}$ then the rms value of the rectifier’s output is

• A. $\frac{V_0}{\sqrt{2}}$
• B. $\frac{V_0^2}{\sqrt{2}}$
• C. $\frac{V_0^2}{2}$
• D. $\sqrt{2}{V}_0^2$
• E. $2V_0^2$

Answer 1

Answer: (A)

Given,
Input $V_{rms}=\frac{V_0}{\sqrt{2}}$
Where, $V_0=$ Peak value of voltage
In full wave rectifier, the whole cycle is rectified, so the value of input voltage will be same as output.

So, the output voltage will be $\frac{V_0}{\sqrt{2}}$,