Electricity for the Trades
3rd Edition
ISBN: 9781260437386
Author: Petruzella, Frank
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 4.1, Problem 4RQ
Explain what a current flow of 1 ampere can be equated to.
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Q4. Determine the Y-parameters at a frequency of 100 MHz for the two-port network
shown in figure 4. Present your answer in matrix form.
R1
R-10 m
са
C-20F
11
R2
C1
CF
1-10 H
R
12
C4
C-100 OF
C-50 F
Figure 4
Q3.
a) For the circuit shown in figure 3, use nodal analysis to obtain a
complete set of circuit equations, presenting your answer in
matrix form. Compute the potential across and the current flowing
through the ZL element, given:
IS = 12sin(wt) A, R1 = 30, R2 = 50, L1 = j4 Q, L2 = j10 Q
and ZL = (2+2)
b)
IS
R1
L2
Figure 3
w
R2
ZL
Using equations and text, define the two-port impedance
parameters.
Q3.
The circuit to study is shown in figure below, where
V1 10040° V, V2=50260° V, and
R₁ =3Q, R₂ = 502, R3 = 2, R450, Rs 50, Ls = 12.8 mH. Ls = 6.4 mH,C2 796μF and
C3 =796µF . assume f=50Hz
V1
R1
R3
03
R2
R4
C2
RE
L5
Vx
a)
Apply the mesh current method to obtain a complete set of circuit equations,
presenting your answer in matrix form;
b) Compute the potential across and the current flowing through the L6 elements.
Chapter 4 Solutions
Electricity for the Trades
Ch. 4.1 - What is the practical unit of electric charge?Ch. 4.1 - Prob. 2RQCh. 4.1 - Prob. 3RQCh. 4.1 - Explain what a current flow of 1 ampere can be...Ch. 4.1 - Account for the fact that electric current travels...Ch. 4.1 - Prob. 6RQCh. 4.1 - Prob. 7RQCh. 4.1 - Prob. 8RQCh. 4.1 - Prob. 9RQCh. 4.1 - Prob. 10RQ
Ch. 4.1 - Prob. 11RQCh. 4.1 - Prob. 12RQCh. 4.1 - What is the cause and effect of resistance?Ch. 4.1 - When using an ohmmeter to measure resistance, what...Ch. 4.1 - Convert the following data: a. 12,000 A to kA b....Ch. 4.1 - Prob. 16RQCh. 4.2 - Define electric power.Ch. 4.2 - What is the basic unit used to measure electric...Ch. 4.2 - A toaster draws 8 amperes when connected to a...Ch. 4.2 - Prob. 4RQCh. 4.2 - Prob. 5RQCh. 4.2 - Prob. 6RQCh. 4.2 - Prob. 7RQCh. 4.2 - Compare a closed and an open electric circuit.Ch. 4.2 - Prob. 9RQCh. 4.2 - What does Ohms law tell us about current flow in a...Ch. 4.2 - Ohms law is applied to a circuit using what three...Ch. 4.2 - Prob. 12RQCh. 4.2 - Prob. 13RQCh. 4.2 - Prob. 14RQCh. 4.2 - Prob. 15RQCh. 4.2 - Prob. 16RQCh. 4.2 - Prob. 17RQCh. 4.2 - Prob. 18RQ
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