Figure 3.12.1. In part eh, A large rectangular block is labeled rectifier and capacitor filter. A line comes out from the right side near the top. The line connects to a resistor. The other end of this resistor connects to the top of the regulator element. It is shown as a somewhat smaller heavy red rectangle with a variable resistor inside. The bottom end of the regulator element connects back to the right side of the large rectangle near the bottom. There are two output terminals. The bottom one connects to the bottom of the regulator element. The upper output terminal connects to the top of the regulator element. In part B, A large rectangular block is labeled rectifier and capacitor filter. A line comes out from the right side near the top. The line connects to another regulator element like the one in part eh. The other end of the regulator element connects to the upper output terminal. The lower output terminal connects to the large rectangle near the bottom. End verbal description.
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