+51 VR₂ EQ-6 V R₂ [ 8.2 ΚΩ +1₁ R < 6.8 ΚΩ L ell -1. FIG. 12.75 Problem 18. 5 mH VL IL *18. For the network of Fig. 12.75: a. Write the mathematical expression for the current i and the voltage v₁ following the closing of the switch. b. Determine the mathematical expressions for i, and VL if the switch is opened after a period of five time con- stants has passed. c. Sketch the waveforms of i, and v, for the time peri- ods defined by parts (a) and (b). d. Sketch the waveform for the voltage across R₂ for the same period of time encompassed by i, and v₁. Take careful note of the defined polarities and directions of Fig. 12.75.

+51 VR₂ EQ-6 V R₂ [ 8.2 ΚΩ +1₁ R < 6.8 ΚΩ L ell -1. FIG. 12.75 Problem 18. 5 mH VL IL *18. For the network of Fig. 12.75: a. Write the mathematical expression for the current i and the voltage v₁ following the closing of the switch. b. Determine the mathematical expressions for i, and VL if the switch is opened after a period of five time con- stants has passed. c. Sketch the waveforms of i, and v, for the time peri- ods defined by parts (a) and (b). d. Sketch the waveform for the voltage across R₂ for the same period of time encompassed by i, and v₁. Take careful note of the defined polarities and directions of Fig. 12.75.

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.52P

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