1. Given the following apparent power, what is the reactive power, in VAR? S = 4.2 VA θ = π/7 radians (the answer is 1.82, but show how do you get to this answer) 2. For the following impedance network, determine the magnitude of the equivalent impedance, in Ω. Z1 = 8.5j Ω Z2 = 1.5 Ω Z3 = -7.6j Ω (the picture attached is for this question. the answer is 8.34, but show how do you get to this) 3. When a particular transformer has 80 V applied to its primary coil, 30 V is measured across its secondary coil. What is the turns ratio for the transformer? (the answer is 2.67, show how to get this answer)
1. Given the following apparent power, what is the reactive power, in VAR? S = 4.2 VA θ = π/7 radians (the answer is 1.82, but show how do you get to this answer) 2. For the following impedance network, determine the magnitude of the equivalent impedance, in Ω. Z1 = 8.5j Ω Z2 = 1.5 Ω Z3 = -7.6j Ω (the picture attached is for this question. the answer is 8.34, but show how do you get to this) 3. When a particular transformer has 80 V applied to its primary coil, 30 V is measured across its secondary coil. What is the turns ratio for the transformer? (the answer is 2.67, show how to get this answer)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. Given the following apparent power, what is the reactive power, in VAR?
S = 4.2 VA
θ = π/7 radians
(the answer is 1.82, but show how do you get to this answer)
2. For the following impedance network, determine the magnitude of the equivalent impedance, in Ω.
Z1 = 8.5j Ω
Z2 = 1.5 Ω
Z3 = -7.6j Ω
(the picture attached is for this question. the answer is 8.34, but show how do you get to this)
3. When a particular transformer has 80 V applied to its primary coil, 30 V is measured across its secondary coil. What is the turns ratio for the transformer?
(the answer is 2.67, show how to get this answer)
Transcribed Image Text:Z2
23
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