Monday, 4 December 2017

capacitor - Cap Value for Full Wave Rectifier Circuit


Why do we use a capacitor of specific value and not an arbitrary value for a full wave rectifier circuit? For example in this circuit diagram below shows a 470uF capacitor so why can't I use a capacitor of 100uF or 1000uF? How can I pick the correct value? Also what is the significance of capacitor C4?


12V DC power supply




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