Question
The ripple factor in a half wave rectifier is
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Answer
(a)Ripple factor $r = \sqrt {{{\left( {\frac{{{I_{rms}}}}{{{I_{dc}}}}} \right)}^2} - 1} = \sqrt {\frac{{{{\left( {{I_0}/2} \right)}^2}}}{{{{\left( {{I_0}/\pi } \right)}^2}}} - 1} $$=1.21.$
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