TEXTBOOK OF ELECTRICITY W/MINDTAP >BI<
6th Edition
ISBN: 9781305812505
Author: Herman
Publisher: Cengage Learning
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Chapter 13, Problem 20RQ
To determine
The type of thermocouple used to measure a temperature of 2800⁰ F.
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The question was to obtain the Fourier series for the periodic function f(x)= -2 when -π
Consider the homogeneous RLC circuit (no voltage source) shown in the diagram below. Before
the switch is closed, the capacitor has an initial charge go and the circuit has an initial current go.
R
w
i(t)
q(t)
C
н
After the switches closes, current flows through the circuit and the capacitor begins to discharge.
The equation that describes the total voltage in the loop comes from Kirchoff's voltage law:
di(t)
L
+ Ri(t) + (t) = 0,
dt
(1)
where i(t) and q(t) are the current and capacitor charge as a function of time, L is the inductance,
R is the resistance, and C is the capacitance. Using the fact that the current equals the rate of
change of the capacitor charge, and dividing by L, we can write the following homogeneous (no
input source) differential equation for the charge on the capacitor:
ä(t)+2ag(t)+wg(t) = 0,
(2)
where
R
a
2L
and w₁ = C
LC
The solution to this second order linear differential equation can be written as:
where
81=
q(t) = Ae³¹- Bel
82 =
(3)
(4)
(5)
2.
1.
A. Simplify the models in the following block diagrams to open loop models (Y/R = G).
U(s) o
G₁
ROS
G₂
1-GG
G4
X₁
Σ
az
51-
515
G6
G₂
5
G₂
M
b₁
b₂
Σ
o Y(s)
X₁
by
Chapter 13 Solutions
TEXTBOOK OF ELECTRICITY W/MINDTAP >BI<
Ch. 13 - 1. What is a voltaic cell?
Ch. 13 - What factors determine the amount of voltage...Ch. 13 - What determines the amount of current a cell can...Ch. 13 - 4. What is a battery?
Ch. 13 - 5. What is a primary cell?
Ch. 13 - What is a secondary cell?Ch. 13 - 7. What material is used as the positive electrode...Ch. 13 - What is another name for the Leclanch cell?Ch. 13 - 9. What is used as the electrolyte in a...Ch. 13 - What is the advantage of the alkaline cell as...
Ch. 13 - What material is used as the positive electrode in...Ch. 13 - 12. How is the A-hr capacity of a lead-acid...Ch. 13 - What device is used to test the specific gravity...Ch. 13 - 14. A 6-V lead-acid battery has an A-hr rating of...Ch. 13 - Three 12-V, 100-A-hr batteries are connected in...Ch. 13 - What is the voltage produced by a silicon solar...Ch. 13 - What determines the current capacity of a solar...Ch. 13 - A solar cell can produce a voltage of 0.5 V and...Ch. 13 - Prob. 19RQCh. 13 - Prob. 20RQCh. 13 - Prob. 21RQCh. 13 - Prob. 22RQCh. 13 - Your job is to order and connect lead-acid cells...Ch. 13 - A bank of nickel-cadmium cells is used as the...Ch. 13 - An office building uses a bank of 63 lead-acid...
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