ifos • paper_2 • solid_state_electronics
[UPSC IFoS 2012] Semiconductors/Solar cell (Q223, 10M)
A power supply using a full-wave rectifier is to provide 100\text{ mA} at 20\text{ V} with no more than 1\% ripple. Calculate the minimum value of smoothing capacitor used. Consider the diode resistance and the resistance of the secondary of the transformer as negligible. Also take ripple frequency as 50\text{ cycles per second}.
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