Correct Answer - Option 2 : 14.14 Ampere
Half wave rectifier:
RMS Value\(= \frac{{Max.\;value}}{2}\)
Average Value =\(\frac{{Max.\;value}}{\pi }\)
Full-wave rectifier:
\(rms\;value = \frac{{maximum\;value}}{{\sqrt 2 }}\)
\(Average\;value = 2\left( {\frac{{maximum\;value}}{\pi }} \right)\)
Calculation:
The RMS value of a half-wave rectified current is 10 Ampere
RMS Value \(= \frac{{Max.\;value}}{2}\)
10 = \(= \frac{{Max.\;value}}{2}\)
Maximum value (Im) = 20 A
The RMS value for full-wave rectification
\(rms\;value = \frac{{maximum\;value}}{{\sqrt 2 }}\)
\(rms\;value = \frac{{20}}{{\sqrt 2 }}\)
RMS value = 14.14 A