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For a center-tapped full-wave rectifier, if Vm is the peak voltage across one half of the transformer secondary, the peak inverse voltage across each ideal diode is?

AVm
B2Vm
CVm/2
D4Vm

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Correct Answer: B. 2Vm

Explanation: In a center-tapped full-wave rectifier, the nonconducting diode can see approximately twice the peak voltage of one half-secondary, so PIV = 2Vm.

Reference: Standard electronics: rectifier PIV

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