a) For the AC circuit shown in Figure 4a, find the expression for the instantaneous power suppliedby the current source.b) For the AC circuit shown in Figure 4b, if i(1) = 0.5 cos 2000t A, find the average powerabsorbed by each element in the cireuit.40020120 060 mH403-120125 µF6/45 A(a)(b)Figure 4

Since you have posted the multiple questions so we are supposed to answer 1st only.

Answered: a) For the AC circuit shown in Figure…

a) For the AC circuit shown in Figure 4a, find the expression for the instantaneous power supplied by the current source.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.8MCQ: An ac resistance is higher than a dc resistance. True False

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Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

a) For the AC circuit shown in Figure 4a, find the expression for the instantaneous power supplied
by the current source.
b) For the AC circuit shown in Figure 4b, if i(1) = 0.5 cos 2000t A, find the average power
absorbed by each element in the cireuit.
400
20
120 0
60 mH
403
-120
125 µF
6/45 A
(a)
(b)
Figure 4

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