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(C) To obtain a constant $DC$ voltage from a variable $AC$ source,the following operations must be performed in sequence:$1$. Rectifier: It converts t

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Rectifier,filter,regulator

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(C) To obtain a constant $DC$ voltage from a variable $AC$ source,the following operations must be performed in sequence:$1$. Rectifier: It converts the $AC$ signal into a pulsating $DC$ signal.$2$. Filter: The pulsating $DC$ signal is smoothed to remove ripples,converting it into a steady $DC$ signal.$3$. Regulator: It provides a stable $DC$ voltage that is independent of load current and $AC$ source voltage variations.

Constant $DC$ voltage is required from a variable $AC$ voltage. Which of the following is the correct order of operation?

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