ELECTRICITY FOR THE TRADES W/ACCESS
3rd Edition
ISBN: 9781264605309
Author: Petruzella
Publisher: MCG
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Chapter 3.1, Problem 3RQ
To determine
State the law of electrostatic charges.
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solve the differential equation y'' -2y'-3y=x³e^5x cos(3x)
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3-3) Similar to Lathi & Ding prob. 3.3-7.
The signals in the figure below are modulated signals with carrier cos(5t). Find the Fourier transforms of
these signals using the appropriate properties of the Fourier transform and text Table 3.1. The sketch the
magnitude and phase spectra for figure parts (a) and (b).
Hint: these functions can be expressed in the form g(t) cos(2лfot)
(a)
1
1
2π
www.
σπ
(b)
(c)
όπ
3-1) Similar to Lathi & Ding prob. 3.1-1. Use direct integration to find the Fourier transforms of the
signals shown below.
a) g₁(t) = II(t − 2) + 2 exp (−3|t|)
b) g(t) = d(t+2)+3e¯u (t − 2)
Chapter 3 Solutions
ELECTRICITY FOR THE TRADES W/ACCESS
Ch. 3.1 - Define static electricity.Ch. 3.1 - Prob. 2RQCh. 3.1 - Prob. 3RQCh. 3.1 - Prob. 4RQCh. 3.1 - Define electrostatic discharge.Ch. 3.1 - Prob. 6RQCh. 3.1 - Name three ways for a neutral object to become...Ch. 3.1 - Charging by _______________ involves an...Ch. 3.1 - Prob. 9RQCh. 3.1 - Prob. 10RQ
Ch. 3.1 - Prob. 11RQCh. 3.2 - Prob. 1RQCh. 3.2 - What is the external force that causes electron...Ch. 3.2 - Prob. 3RQCh. 3.2 - Prob. 4RQCh. 3.2 - Prob. 5RQCh. 3.2 - Prob. 6RQCh. 3.2 - Compare the operation of grid-tie and off-grid PV...Ch. 3.2 - Prob. 8RQCh. 3.2 - Name the three basic components of a battery.Ch. 3.2 - Prob. 10RQCh. 3.2 - Prob. 11RQCh. 3.2 - How does an electric generator produce...Ch. 3.2 - What type of prime mover is used as part of wind...
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