Q1(a) Based on electrical DC circuit as depicted in Figure Q1(a),(i)Determine the mesh currents I1, I, I3 and I4 by using mesh analysis. Thencalculate the branch current, I.(ii)Calculate the power at 50 V voltage source and determine whether the power issupplied or absorbed by the voltage source.4Ω20VIz5Ω50VIa10VO4A50 N20 252Figure Q1(a)(b) Figure Q1(b) shows an AC circuit. Given the voltage, Va across the impedance Za is111.803 2 - 41.57° V.(i)Determine the value of impedance Za.(ii)Determine the complex power, S, real power, P, reactive power, Q, apparentpower, |S| and power factor of the circuit.(iii)Calculate the capacitor value needed to increase the circuit's power factor to0.85. j50 N-j5 250 Ω.1)5 210° AZaVaj100 2Figure Q1(b)

Answered: Image /qna-images/answer/4da26980-6240-4b6f-a64d-79c8e3533076.jpg

Q1 (a) Based on electrical DC circuit as depicted in Figure Q1(a), (i) Determine the mesh currents I, I, I3 and I4 by using mesh analysis. Then calculate the branch current, I (ii) Calculate the power at 50 V voltage source and determine whether the power is supplied or absorbed by the voltage source. 4Ω 20V 52 50V 10V I4 1)4A 50 Ω 20 Ω 50 Figure Q1(a)

Q1 (a) Based on electrical DC circuit as depicted in Figure Q1(a), (i) Determine the mesh currents I, I, I3 and I4 by using mesh analysis. Then calculate the branch current, I (ii) Calculate the power at 50 V voltage source and determine whether the power is supplied or absorbed by the voltage source. 4Ω 20V 52 50V 10V I4 1)4A 50 Ω 20 Ω 50 Figure Q1(a)

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter7: Parallel Circuits

Section: Chapter Questions

Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....

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