S1 (a) R2 V₁ = 10V. C1 I₁(t) L2 Given the circuit in figure 7 with values R-3000-1300, R-5000-7000 - -HL-05MV-30V You are NOT allowed to solve the circut with phasors, a calculations must be domain switch initially closed and circ rower the following questions steady state and is opened at Questions and the switch 5, is closed and for questions to the switch is opened ww R4 Given the below answers for a), b) and c) find the following parts below them please R1 S₁ I, (+) R3 elew L₂=0.5H. R₁ = 3000 ((1₁-1₂) R₂=100.02 I C₁= IUF I₂(t) b. capacitor voltage at t=0 seconds is v₂(0) = 10 volts c. current flowing through inductor at t=0 is ₁,(0) = 6.667 mA 14=1 H R₂ = 50022. www R4=70052

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V1
S1
L2
(a)
ww
R2
AICH)
V₁ = 10V.
C1
ww
R1
ww
R4
Given the circuit in figure 7 with values R-3000, R-1000, R-5000, R-70002 C-1F
1H, L-05H, V₁-10V. You are NOT allowed to solve the circuit with phasors, all
calculations must be done in the time domain f switch S, is initially closed and circuit reaches
steady state and is opened at t-0 seconds, answer the following questions
Questions (b) and (c) the switch S, is closed and for questions (d) to (f) the switch Si is opened.
Given the below answers for a), b) and c) find the following parts below them please
S₁
I, (+)
Batt
ww
vi{t}
R3
ellu
L₂=0.5H.
R₁ = 300
(1₁-1₂)
R₂=
=1002
It
C₁ IUF
www
Iz(t)
b. capacitor voltage at t=0 seconds is v(0) = 10 volts
c. current flowing through inductor at t=0 is i, (0) = 6.667 mA
41=1 H
R₂ = 500-2.
R4 = 70052
d) calculate the natural frequency wo and damping factor a fort >0 seconds.
e) calculate the roots (factors) of the characteristic equation. State if the circuit is underdamped,
overdamped or undamped.
f) calculate the current flowing through inductor L1 at t = 0+ seconds.
g) calculate the change in current flowing through inductor 011(t) at at t = 0+ seconds.
h) Using any method, calculate the current flowing through the inductor L1 for t> 0 seconds.
Transcribed Image Text:V1 S1 L2 (a) ww R2 AICH) V₁ = 10V. C1 ww R1 ww R4 Given the circuit in figure 7 with values R-3000, R-1000, R-5000, R-70002 C-1F 1H, L-05H, V₁-10V. You are NOT allowed to solve the circuit with phasors, all calculations must be done in the time domain f switch S, is initially closed and circuit reaches steady state and is opened at t-0 seconds, answer the following questions Questions (b) and (c) the switch S, is closed and for questions (d) to (f) the switch Si is opened. Given the below answers for a), b) and c) find the following parts below them please S₁ I, (+) Batt ww vi{t} R3 ellu L₂=0.5H. R₁ = 300 (1₁-1₂) R₂= =1002 It C₁ IUF www Iz(t) b. capacitor voltage at t=0 seconds is v(0) = 10 volts c. current flowing through inductor at t=0 is i, (0) = 6.667 mA 41=1 H R₂ = 500-2. R4 = 70052 d) calculate the natural frequency wo and damping factor a fort >0 seconds. e) calculate the roots (factors) of the characteristic equation. State if the circuit is underdamped, overdamped or undamped. f) calculate the current flowing through inductor L1 at t = 0+ seconds. g) calculate the change in current flowing through inductor 011(t) at at t = 0+ seconds. h) Using any method, calculate the current flowing through the inductor L1 for t> 0 seconds.
Expert Solution
Step 1: Stating the given data.

Given circuit:

Electrical Engineering homework question answer, step 1, image 1

c o m p o n e n t s space v a l u e s comma
R subscript 1 equals 300 space capital omega
R subscript 2 equals 100 space capital omega
R subscript 3 equals 500 space capital omega
R subscript 4 equals 700 space capital omega
C subscript 1 equals 1 space mu F
L subscript 1 equals 1 space H
L subscript 2 equals 0.5 H
V subscript 1 equals 10 space V

Asked to find the,

  1. redraw the circuit with and label all voltages and current
  2. capacitor voltage at t=0- seconds,
  3. current flowing through inductor at t=0-

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