1. In the following circuit, what is the peak current, in amperes (A), through the secondary coil, iS? vA = 1 ∠ 0 V Z1 = -2.8j Ω Z2 = 9.5 Ω a = 7.1   (the answer is 0.01 but show how to get to this) (first picture goes with this problem

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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1. In the following circuit, what is the peak current, in amperes (A), through the secondary coil, iS?

vA = 1 ∠ 0 V
Z1 = -2.8j Ω
Z2 = 9.5 Ω
a = 7.1

 

(the answer is 0.01 but show how to get to this) (first picture goes with this problem)

 

 

 

2. Given the following current and voltage phasors, what is the power factor of the power being absorbed by the impedance?

v1 = 4 ∠ -π/6 V
i1 = 3 ∠ 0 A

 

(the answer is 0.87 show how to get this answer) (the second picture goes with this)

is
Z2
VA
Transcribed Image Text:is Z2 VA
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