ECE 201 - Hw 21 - F11

# ECE 201 Hw 21- - t 2 = 4 seconds the switch returns to its initial state Determine the following a Find V L(0 and i L(0 b Find i L(0 V R(0 and V

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Homework 21 ECE201: Linear Circuit Analysis Due in class: Monday, October 17, 2011 1. In the circuit below, C = 1F and R = 2 . Determine the following. a. If i ( t ) = 4 u (- t ) A, find voltages V 4 (0 - ) and V 5 (0 - ). b. If i ( t ) = 4 u (- t ) A, find currents i 4 (0 - ) and i 5 (0 - ). c. If i ( t ) = 4 u (- t ) A, find voltages V 4 (0 + ) and V 5 (0 + ). d. If i ( t ) = 4 u (- t ) A, find currents i 4 (0 + ) and i 5 (0 + ). e. If i ( t ) = 4 u (- t ) A, find charges Q 4 (0 - ) and Q 4 (0 + ). f. If i ( t ) = 4 u (- t ) A, find i 6 ( t ) and V 6 ( t ) for -2 < t < 20 seconds. g. If i ( t ) = 4 u (- t ) A, plot current i 1 ( t ) for -2 < t < 20 seconds.

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2. In the circuit below, the switch has been at the state shown for a long time. At time t 1 = 0 seconds, the switch instantaneously switches over to the other side. And at time
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Unformatted text preview: t 2 = 4 seconds, the switch returns to its initial state. Determine the following. a. Find V L (0-) and i L (0-). b. Find i L (0 + ), V R (0 + ), and V L (0 + ). c. Find the effective resistance (resistor and dependent source) seen by the inductor for time 0 < t < 4 seconds. d. Find the time constant of the circuit during 0 < t < 4 seconds. e. Find i L ( t ) and V R ( t ) for 0 < t < 4 seconds. f. Find the power absorbed by the dependent source for 0 < t < 4 seconds. g. Plot V x ( t ) for -2 < t < 8 seconds....
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## This note was uploaded on 12/13/2011 for the course ECE 201 taught by Professor All during the Fall '08 term at Purdue University-West Lafayette.

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ECE 201 Hw 21- - t 2 = 4 seconds the switch returns to its initial state Determine the following a Find V L(0 and i L(0 b Find i L(0 V R(0 and V

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