41. Two ac sources feed a common variable resistive load as shown in figure. Under the maximum power transfer condition, the power absorbed by the load resistance R, is elle 182 elllw 11020 ( 9020 (a) 2200 W (c) 1000 W (b) 1250 W (d) 625 W

41. Two ac sources feed a common variable resistive load as shown in figure. Under the maximum power transfer condition, the power absorbed by the load resistance R, is elle 182 elllw 11020 ( 9020 (a) 2200 W (c) 1000 W (b) 1250 W (d) 625 W

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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Concept explainers

Maximum power transfer theorem

A resistive load will consume maximum power from a network when the load resistance is equal to the resistance of the network as viewed from the open-circuit terminals, with all energy sources removed leaving only the internal resistances. Physicist Moritz von Jacobi introduced the maximum power transfer theorem in 1940. Therefore, this theorem is also known as Jacobi's law.

Question

41. Two ac sources feed a common variable resistive
load as shown in figure. Under the maximum power
transfer condition, the power absorbed by the load
resistance R, is
lall
6 2
j8 2
6 2
11020 (
0706
O9020°
(a) 2200 W
(b) 1250 W
(c) 1000 W
(d) 625 W

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