R| 15 V R2: Figure P2.40
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter17: Commercial And Industrial Air-conditioning Control Systems
Section: Chapter Questions
Problem 22RQ
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Question
Suppose we need to design a voltage-divider circuit to provide an output voltage vo = 5V
from a 15-V source as shown in Figure P2.40. The current taken from the 15-V source is to be
200 mA.
a. Find the values of R1 and R2.
b. Now suppose that a load resistance of 200 Ω is connected across the output terminals
(i.e., in parallel with R2 ). Find the value of vo.
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