D2 R1 R3 E R2
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
R1 = 1 kohms R2 = 1.4 kohms R3 = 6.8 kohms E = 8V
D1: Si, rB = 2 ohms, rR = 215 kohms D2: Si, rB = 7 ohms, rR = 590 kohms
Applying second approximations, determine:
a) Current through D1
b) Voltage across D_2
c) Voltage across R_3
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