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Unformatted text preview: ) ( t i tr for > t with two unknown constants. b) What is the steady-state value of the current i ? c) Find ) ( t i for > t , with all unknown constants evaluated using appropriate initial conditions. The switch has been at position a for a long time and moves to position b at = t . a. Using KVL, derive a differential equation for the current ) ( t i in the circuit. b. By trying an exponential solution of the form st Ae t i = ) ( , prove that the resulting characteristic equation is of the form 1 2 = + + LC s L R s . c. Write an expression for the current ) ( t i based on the roots of the characteristic equation. d. Find ) ( t i for > t ....
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This note was uploaded on 10/12/2008 for the course ENGR 215 taught by Professor Enriquez during the Spring '08 term at San Mateo Colleges.
- Spring '08