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Two electric circuits represented by the boxes A and B, are connected as shown in the figure. The reference direction for the current i in the interconnection and the reference polarity for the voltage v across the interconnection are shown in the figure. For each of the following sets of numerical values, calculate the power in the interconnection and state whether the power is flowing from A to B, or vice versa. a) i = 15 A, v = 20 V. b) i = -5 A, v = 100 V. c) i = 4 A, v = -50 V. d) i = -16 A, v = -25 V. i(t) + A v(t) B Figure 2: Problem 3 Diagram

Two electric circuits represented by the boxes A and B, are connected as shown in the figure. The reference direction for the current i in the interconnection and the reference polarity for the voltage v across the interconnection are shown in the figure. For each of the following sets of numerical values, calculate the power in the interconnection and state whether the power is flowing from A to B, or vice versa. a) i = 15 A, v = 20 V. b) i = -5 A, v = 100 V. c) i = 4 A, v = -50 V. d) i = -16 A, v = -25 V. i(t) + A v(t) B Figure 2: Problem 3 Diagram

Delmar's Standard Textbook Of Electricity
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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Two electric circuits represented by the boxes A and B, are connected as shown in the figure. The reference direction for the current i in the interconnection and the reference polarity for the voltage v across the interconnection are shown in the figure. For each of the following sets of numerical values, calculate the power in the interconnection and state whether the power is flowing from A to B, or vice versa. a) i = 15 A, v = 20 V. b) i = -5 A, v = 100 V. c) i = 4 A, v = -50 V. d) i = -16 A, v = -25 V. i(t) + A v(t) B Figure 2: Problem 3 Diagram
Transcribed Image Text:Two electric circuits represented by the boxes A and B, are connected as shown in the figure. The reference direction for the current i in the interconnection and the reference polarity for the voltage v across the interconnection are shown in the figure. For each of the following sets of numerical values, calculate the power in the interconnection and state whether the power is flowing from A to B, or vice versa. a) i = 15 A, v = 20 V. b) i = -5 A, v = 100 V. c) i = 4 A, v = -50 V. d) i = -16 A, v = -25 V. i(t) + A v(t) B Figure 2: Problem 3 Diagram
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