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V. 10 50 -j5N +. 1000 V(rms) 3j50 Figure P10.47 Full Alternative Text

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.1MCQ: The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax

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Question

The variable resistor Ro in the circuit shown is adjusted until maximum average power is delivered to Ro.
1. a) What is the value of Ro in ohms?
2. b) Calculate the average power delivered to Ro.
3. c) If Ro is replaced with a variable impedance Zo, what is the
maximum average power that can be delivered to Zo?
4. d) In (c), what percentage of the circuit’s developed power is
delivered to the load Zo?

V.
10
50
-j5N
+.
1000 V(rms)
3j50
Figure P10.47 Full Alternative Text

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