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(A) full wave rectifier uses two diodes to convert both halves of the $AC$ input cycle into a unidirectional $DC$ output. In a center-tapped full wave

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In a full wave rectifier,two diodes work alternately.

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(A) full wave rectifier uses two diodes to convert both halves of the $AC$ input cycle into a unidirectional $DC$ output. In a center-tapped full wave rectifier,the two diodes conduct during alternate half-cycles of the input $AC$ signal. During the first half-cycle,one diode is forward-biased and conducts,while the other is reverse-biased. During the second half-cycle,the roles are reversed. Therefore,the two diodes work alternately to rectify the complete cycle.

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