EXAMPLE 11.7 Switch S, in Fig. 11.51 has been closed for a long time. At 1 = 0 s, S, is opened at the same instant that S, is closed to avoid an interruption in current through the coil. a. Find the initial current through the coil. Pay particular attention to its direction. b. Find the mathematical expression for the current i, following the closing of switch S. c. Sketch the waveform for i,. 486 1II INDUCTORS S. (1 =0s) (t 0 s) R. Ry 8.2 kf I kf 12 mA R, = 2.2 k2 L. 680 mH E 6V

EXAMPLE 11.7 Switch S, in Fig. 11.51 has been closed for a long time. At 1 = 0 s, S, is opened at the same instant that S, is closed to avoid an interruption in current through the coil. a. Find the initial current through the coil. Pay particular attention to its direction. b. Find the mathematical expression for the current i, following the closing of switch S. c. Sketch the waveform for i,. 486 1II INDUCTORS S. (1 =0s) (t 0 s) R. Ry 8.2 kf I kf 12 mA R, = 2.2 k2 L. 680 mH E 6V

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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