In a full wave rectifier circuit operating from \( 50 \mathrm{~Hz} \) mains frequency, the funda...

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In a full wave rectifier circuit operating from \( 50 \mathrm{~Hz} \) mains frequency, the fundamental frequency in the ripple would be
(a) \( 25 \mathrm{~Hz} \)
(b) \( 50 \mathrm{~Hz} \)
(c) \( 70.7 \mathrm{~Hz} \)
(d) \( 100 \mathrm{~Hz} \)
(W)
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