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- Q654 - Electrical, Electronic, & Control Engineering
117. Assuming a 120 VAC input across TP1 and TP2 and a regulated output of 24 VDC across TP5 and ground, in which section of the 24 VDC power supply circuit illustrated does the greatest absolute change in voltage level take place
The greatest voltage change occurs in section A, where the transformer significantly reduces the input voltage. Subsequent sections rectify, filter, and regulate, resulting in smaller voltage changes.
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