Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 21, Problem 7RQ
An RC series circuit is connected to a 120-V, 60-Hz power source. The resistor is 25
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1. For v(t)=2Σn-[8(t-n) + 28(t-n-0.4)], determine
(a) (10%) a figure of v(t);
(b) (5%) period To;
(c) (10%) Fourier series in Form III;
(d) (5%) Fourier transform;
(e) (5%) total power.
5. In the figure, v(t) = m(t)ej2nfct where the message signal is m(t): = Acos (2πfmt) and the carrier signal is
vc(t) = 2e−j(2nfct+0) where 0 is constant and 0 < fm
= cos (2π x 10t+ 0) where 0 is random with a probability density
E [0, 2π), and f(0) = 0 otherwise. v,(t) passes through a linear filter below.
2. Consider a random process v(t)
function f(0) = 1/(2) for
vi(t)-
H(f)
vo(t)
Determine
(a) (5%) vo(t);
(b) (10%) autocorrelation function of v(t);
(c) (8%) power spectral density function of vo(t);
(d) (7%) power of vo(t).
1
=
H(f)
2πf2+1
Chapter 21 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 21 - In a pure capacitive circuit, does the current...Ch. 21 - A series circuit contains a 20- resistor and a...Ch. 21 - An RC series circuit has a power factor of 76%....Ch. 21 - An RC series circuit has a total impedance of 84 ....Ch. 21 - A capacitor has a capacitive reactance of 50 when...Ch. 21 - A 15-F AC capacitor is connected in series with a...Ch. 21 - An RC series circuit is connected to a 120-V,...Ch. 21 - An RC series circuit is connected to a 240-V,...Ch. 21 - Prob. 1PPCh. 21 - Assume that the voltage drop across the resistor,...
Ch. 21 - Assume the circuit shown in Figure 21-1 has an...Ch. 21 - Assume the circuit in Figure 21-1 has a power...Ch. 21 - In a series RC circuit, ET=240 volts, R=60, and...Ch. 21 - In a series RC circuit, ET=120 volts, R=124, and...Ch. 21 - In a series RC circuit, ET=208 volts, IT=2.4...Ch. 21 - In a series RC circuit, ET=460 volts and =44. Find...Ch. 21 - In a series RC circuit, ET=240 volts at 60 Hz. An...Ch. 21 - In a series RC circuit, the apparent power is 4250...
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