ELECTRICITY FOR TRADES (LL W/ACCESS)
3rd Edition
ISBN: 9781260699487
Author: Petruzella
Publisher: MCG CUSTOM
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Textbook Question
Chapter 8.2, Problem 1RQ
Calculate the total resistance for each of the following resistor circuits:
- a. Series circuit: R1 = 40 Ω, R2 = 75 Ω
- b. Parallel circuit: R1 = 200 Ω, R2 = 200 Ω, R3 = 200 Ω
- c. Series circuit: R1 = 2,000 Ω, R2 = 6,000 Ω, R3 = 2,200 Ω
- d. Parallel circuit: R1 = 14 Ω, R2 = 32 Ω
- e. Series circuit: R1 = 4,700 Ω, R2 = 800 Ω, R3 = 200 Ω
- f. Parallel circuit: R1 = 60 Ω, R2 = 30 Ω, R3 = 15 Ω
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Students have asked these similar questions
1. Consider the following a unity feedback control system.
R(s) +
E(s)
500(s+2)(s+5)(s+6)
s(s+8)(s+10)(s+12)
-Y(s)
Find the followings:
a) Type of the system
b) Static position error constant Kp, Static velocity error constant Ry and Static
acceleration error constant Ka
c) Find the steady-state error of the system for (i) step input 1(t), (ii) ramp input t 1(t),
(iii) parabolic input t² 1(t).
2. Repeat the above problem for the following system.
R(s) + E(s)
500(s + 2)(s + 5)
(s+8)(s+ 10)(s+12)
Y(s)
3. Repeat the above problem for the following system.
R(s) +
E(s) 500(s+2)(s+4)(s+5)(s+6)(s+7)
s²(s+8)(s+10)(s+12)
Y(s)
4. Consider a unity (negative) feedback control system whose open-loop transfer
function is given by the following.
2
G(s) =
s³ (s + 2)
Find the steady-state error of the system for each of the following inputs.
=
a) u(t) (t²+8t+5) 1(t)
b) u(t) = 3t³ 1(t)
c) u(t) (t+5t² - 1) 1(t)
=
1
2. For the following closed-loop system, G(s) =
and H(s) = ½
(s+4)(s+6)
a. Please draw the root locus by hand and mark the root locus with arrows. Calculate the origin
and angle for asymptotes.
b. Use Matlab to draw the root locus to verify your sketch.
Input
R(s)
Output
C(s)
KG(s)
H(s)
Chapter 8 Solutions
ELECTRICITY FOR TRADES (LL W/ACCESS)
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