Radio Amateur Quiz Canadian License

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Question A-004-001-005

For a given transformer the maximum output voltage available from a full-wave bridge rectifier circuit will be:

Correct Answer

double that of the full-wave centre-tap rectifier

Explanation

Assuming 'transformer' refers to the total secondary winding voltage, a bridge rectifier utilizes the full secondary voltage. A center-tap rectifier uses only half the secondary voltage per diode path. Thus, the bridge rectifier can produce nearly double the DC output voltage for the same total secondary RMS voltage.

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