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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
Q: For the circuit shown draw the ac equivalent circuit and find Avs, Ai, Zi and Zo, where hie=1kohm, hfe=100, hfb =-0.98 then hib=10ohm for each transistor.
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