Diodes and Applications - Technical MCQs

Connecting a capacitor filter to the circuit in the given circuit will___.

A produce a nearly-constant dc voltage

B reduce the output voltage

C increase the ripple voltage

D lower the surge current

ANS:A - produce a nearly-constant dc voltage

At the output we want pure DC voltage so by using capacitor filter it makes a potential difference and suppresses unwanted interference & produce constant DC voltage. Then also it won't be Constant DC; so, Voltage Regulator is used for stabilizing the voltage.

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