Engineering Electromagnetics
9th Edition
ISBN: 9781260029963
Author: Hayt
Publisher: MCG
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Question
Chapter 9, Problem 9.25P
To determine
(a)
To prove:
To determine
(b)
To calculate:
The values of B, H, E and D.
To determine
(c)
To prove:
The results obtained in part (b) will satisfy Maxwell's equations if J and
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circuit theory
T
2- The LTI system defined by the impulse response h(n) = 0.8" u(n) is:
(a) Stable and Non-casual (b) Unstable and Non-casual
(b) Unstable and Casual
(d) Stable and Casual
3- The Fourier transform of e-ist П13 (t-2) is
(a) e-12(w-5).
sin (3(-5)
2
3(8-5)
2
sin(3(w+5)
(c) e-j2(w+5). 2
+00
3(w+5)
2
4- sgn(t + 1)6(t − 1)dt =?
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(b) e-15(w+5) sin(3-2)
3(0-2)
2
(d) e/2(w+5) sin(3(+5)
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3(w+5)
(a) 1
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Homework:
The open-loop transfer function of DC Motor is shown in equations (1),
where the rotational speed is considered as the output and the armature
voltage as the input, (J) is the moment of inertia of the rotor, (b) is the
viscous friction constant of the motor, (La) is the electrical inductance, (Ra)
is the electrical resistance and (V) is the voltage source, with a setpoint of
2000 rpm
e(s)
K₁
G(s)=(s) = (j.s+b)(La.s+ Ra) + K₁ × Kɩ
rad/sec,
sec
(1)
Parameters
Torque constant (Kt)
Value
Electromotive force constant (Kb)
Electrical resistance (Ra)
Viscous friction constant of the motor (b) 0.008 N.m/rad/s
Electrical inductance (La)
Moment of inertia of the rotor (J)
0.5 N.m/A
1.25 V/rad/s
502
0.2 H
0.1 kg.m²
Table 1: Parameters of the DC motor
Design Speed Control of DC Motor Using PID Controller, and then obtain
Overshoot, Rise time, Steady state error, and Settling time
Chapter 9 Solutions
Engineering Electromagnetics
Ch. 9 - Prob. 9.1PCh. 9 - Prob. 9.2PCh. 9 - Prob. 9.3PCh. 9 - A rectangular loop of wire containing a...Ch. 9 - The location of the sliding bar in Figure 9.5 is...Ch. 9 - Prob. 9.6PCh. 9 - The rails in Figure 9.6 each have a resistance of...Ch. 9 - A perfectly conducting filament is formed into a...Ch. 9 - A square filamentary loop of wire is 25 cm on a...Ch. 9 - (a) Show that the ratio of the amplitudes of the...
Ch. 9 - Let the internal dimensions of a coaxial capacitor...Ch. 9 - Prob. 9.12PCh. 9 - En free space it is known that E = E0/r sin...Ch. 9 - A voltage source V0, sin cot is connected between...Ch. 9 - Use each of Maxwells equations in point form to...Ch. 9 - Derive the continuity equation from Maxwells...Ch. 9 - The electric field intensity in the region...Ch. 9 - Prob. 9.18PCh. 9 - In Section 9.1. Faradays law was used to show that...Ch. 9 - Prob. 9.20PCh. 9 - (a) Show that under static field conditions; Eq....Ch. 9 - Prob. 9.22PCh. 9 - Prob. 9.23PCh. 9 - A vector potential is given as A = A0 cos(đ�œ”t =...Ch. 9 - Prob. 9.25PCh. 9 - Write Maxwells equations in point form in terms of...
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