EBK ELECTRIC CIRCUITS
10th Edition
ISBN: 9780100801790
Author: Riedel
Publisher: YUZU
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Chapter 2, Problem 7P
a.
To determine
Find the value of
b.
To determine
Calculate the power associated with the current source.
c.
To determine
Mention whether the current source supplies or absorbs the power in the circuit.
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b)
Another waveform g(t) is defined by
=0
t≥0, α>0
otherwise
g(t)= At exp(-at)
and is plotted in Figure 1 (for representative values of 4 = 1 and α = 1).
g(t)
0.4T
0.3+
0.2
0.1+
2
0
2
Figure 1
8
c)
Show that its amplitude spectrum is |G(@)| = -
A
(a²+0²)²
Describe briefly, with the aid of labelled sketches, how changing a affects
the waveform in both the time and frequency domains.
d) Deduce the Fourier transform H(@) of h(t) = g(t)+g(t+b)+g(t-b) and
calculate its DC amplitude H(0).
"I need an expert solution because
the previous solution is incorrect."
An antenna with a radiation impedance of 75+j10 ohm, with 10 ohm loss resistance, is
connected to a generator with open-circuit voltage of 12 v and an internal impedance of 20 ohms via
a 2/4-long transmission line with characteristic impedance of 75 ohms.
(a) Draw the equivalent circuit
(b) Determine the power supplied by the generator.
(c) Determine the power radiated by the antenna.
(d) Determine the reflection coefficient at the antenna terminals.
--3/5-
b) g(t) =
3
1441
g(t+mT) = g(t)
-31
(i) Complex fourier coefficient Cn.
(ii) Complex fourier coefficients - real fourier coefficient (the first 5 non-zero terms)
of
(iii) sketch the amplitude spectrum g(t)
|Cal against n. n= -3 ⇒n=3 (labelling the axis).
Chapter 2 Solutions
EBK ELECTRIC CIRCUITS
Ch. 2.1 - Prob. 1APCh. 2.1 - For the circuit shown,
What value of α is required...Ch. 2.2 - For the circuit shown,
If υg = 1 kV and ig = 5 mA,...Ch. 2.2 - For the circuit shown,
If ig = 0.5 A and G = 50...Ch. 2.4 - Prob. 5APCh. 2.4 - Use Ohm’s law and Kirchhoff’s laws to find the...Ch. 2.4 - a)
The terminal voltage and terminal current were...Ch. 2.4 - Repeat Assessment Problem 2.7, but use the...Ch. 2.5 - Prob. 9APCh. 2.5 - The current iϕ in the circuit shown is 2 A....
Ch. 2 - Prob. 1PCh. 2 - If the interconnection in Fig. P2.4 is valid, find...Ch. 2 - Prob. 3PCh. 2 - If the interconnection in Fig. P2.3 is valid, find...Ch. 2 - Prob. 5PCh. 2 - Consider the interconnection shown in Fig....Ch. 2 - Consider the interconnection shown in Fig....Ch. 2 - Prob. 8PCh. 2 - If the interconnection in Fig. P2.8 is valid, find...Ch. 2 - Find the total power developed in the circuit in...Ch. 2 - For the circuit shown in Fig. P2.12
Figure...Ch. 2 - For the circuit shown in Fig. P2.11
Figure...Ch. 2 - A pair of automotive headlamps is connected to a...Ch. 2 - The terminal voltage and terminal current were...Ch. 2 - A variety of voltage source values were applied to...Ch. 2 - A variety of current source values were applied to...Ch. 2 - Prob. 17PCh. 2 - Given the circuit shown in Fig. P2.18, find
the...Ch. 2 - Find the currents i1 and i2 in the circuit in Fig....Ch. 2 - The current ix in the circuit shown in Fig. P2.21...Ch. 2 - The current ia in the circuit shown in Fig. P2.21...Ch. 2 - Prob. 22PCh. 2 - The variable resistor R in the circuit in Fig....Ch. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - The currents ia and ib in the circuit in Fig....Ch. 2 - Prob. 27PCh. 2 - Prob. 28PCh. 2 - The voltage and current were measured at the...Ch. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - For the circuit shown in Fig. P2.34, find υo and...Ch. 2 - For the circuit shown in Fig. P2.33, find υo and...Ch. 2 - Consider the circuit shown in Fig. P2.32.
Find...Ch. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - Find υ1 and υg in the circuit shown in Fig. P2.37...Ch. 2 - Derive Eq. 2.21. Hint: Use Eqs. (3) and (4) from...Ch. 2 - For the circuit shown in Fig. 2.24, R1 = 40 kΩ R2...Ch. 2 - Suppose you want to add a third radiator to your...Ch. 2 - Repeat Problem 2.41 using the wiring diagram shown...Ch. 2 - Repeat Problem 2.41 using the wiring diagram shown...Ch. 2 - Repeat Problem 2.41 using the wiring diagram shown...
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