Principles and Applications of Electrical Engineering
6th Edition
ISBN: 9780073529592
Author: Giorgio Rizzoni Professor of Mechanical Engineering, James A. Kearns Dr.
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 2, Problem 2.49HP
Refer to Figure P2.49 and assume
a. The mesh currents
b. The current through each resistor.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
"Detail the solution to the question with an
explanation of the integration."
A diploe with a total loss resistance of 122, is connected to generator whose internal impedance is
50+j25, the peak voltage of generator is 2 V and the impedance of the dipole excluding the loss
resistance is 73+j42.5. All antenna and generator are connected via 50-92 2/4 long lossless transmission
line.
(a) Draw the equivalent circuit
(b) Determine the power supplied by the generator
(c) Determine the power radiated by the antenna
For an X-band (8.2-12.4) GHz rectangular horn antenna with aperture dimensions of
5.5cm and 7.4cm. find its maximum effective aperture (in cm2) when its gain (over
isotropic) is
1- 14.8dB at 8.2 GHz
2-16.5dB at 10.3GHz
3- 18dB at 12.4GHz
Find the directivity in dB and the effective aperture for the following normalized radiation
intensity (take f=100 MHz):
U(0,0)=0.342csc0
0≤0≤20
20 ≤0≤60
60 ≤0≤18
Chapter 2 Solutions
Principles and Applications of Electrical Engineering
Ch. 2 - A free electron has an initial potential energy...Ch. 2 - The units for voltage, current, and resistance are...Ch. 2 - A particular fully charged battery can deliver...Ch. 2 - The charge cycle shown in Figure P2.4 is an...Ch. 2 - Batteries (e.g., lead-acid batteries) store...Ch. 2 - What determines: a. The current through an ideal...Ch. 2 - An automotive battery is rated at 120 A-h. This...Ch. 2 - A car battery kept in storage in the basement...Ch. 2 - Suppose the current through a wire is given by the...Ch. 2 - The charge cycle shown in Figure P2.10 is...
Ch. 2 - The charging scheme used in Figure P2.11 is...Ch. 2 - The charging scheme used in Figure P2.12 is...Ch. 2 - Use KCL to determine the unknown currents in the...Ch. 2 - Use KCL to find the current i1 and i2 in Figure...Ch. 2 - Use KCL to find the current i1,i2, and i3 in the...Ch. 2 - Use KVL to find the voltages v1,v2, and v3 in...Ch. 2 - Use KCL to determine the current i1,i2,i3, and i4...Ch. 2 - In the circuits of Figure P2.18, the directions...Ch. 2 - Find the power delivered by each source in Figure...Ch. 2 - Determine whether each element in Figure P2.20 is...Ch. 2 - In the circuit of Figure P2.21, determine the...Ch. 2 - For the circuit shown in Figure P2.22: a....Ch. 2 - For the circuit shown in Figure P2.23,...Ch. 2 - For the circuit shown in Figure P2.24, determine...Ch. 2 - For the circuit shown in Figure P2.25, determine...Ch. 2 - Prob. 2.26HPCh. 2 - Prob. 2.27HPCh. 2 - Prob. 2.28HPCh. 2 - Prob. 2.29HPCh. 2 - Prob. 2.30HPCh. 2 - Prob. 2.31HPCh. 2 - In the circuit of Figure P2.32, assume v2=vs/6 and...Ch. 2 - Prob. 2.33HPCh. 2 - An incandescent light bulb rated at 100 W will...Ch. 2 - An incandescent lightbulb rated at 60 W...Ch. 2 - Refer to Figure P2.36, and assume that...Ch. 2 - Refer to Figure P2.37, and assume that...Ch. 2 - Refer to Figure P2.38, and assume...Ch. 2 - Prob. 2.39HPCh. 2 - With no load attached, the voltage at the...Ch. 2 - Prob. 2.41HPCh. 2 - For the circuits of Figure P2.42, determine the...Ch. 2 - At an engineering site, a 1-hp motor is placed...Ch. 2 - Cheap resistors are fabricated by depositing a...Ch. 2 - Prob. 2.45HPCh. 2 - Use KCL and Ohm’s law to determine the current...Ch. 2 - Refer to Figure P2.13. Assume R0=1,R1=2,R2=3,R3=4...Ch. 2 - Apply KCL and Ohm’s law to find the power supplied...Ch. 2 - Refer to Figure P2.49 and assume...Ch. 2 - Refer to Figure P2.49 and assume...Ch. 2 - Prob. 2.51HPCh. 2 - The voltage divider network of Figure P2.52 is...Ch. 2 - Find the equivalent resistance seen by the source...Ch. 2 - Find the equivalent resistance seen by the source...Ch. 2 - In the circuit of Figure P2.55, the power absorbed...Ch. 2 - Find the equivalent resistance between terminals...Ch. 2 - For the circuit shown in Figure P2.57, find the...Ch. 2 - For the circuit shown in Figure P2.58,find the...Ch. 2 - Refer to Figure P2.59. Assume...Ch. 2 - Find the equivalent resistance seen by the source...Ch. 2 - For the circuit shown in Figure P2.61. assume...Ch. 2 - Determine the equivalent resistance of the...Ch. 2 - For the circuit shown in Figure P2.58, assume...Ch. 2 - In the circuit of Figure P2.64, find the...Ch. 2 - Refer to Figure P2.64 and determine the equivalent...Ch. 2 - Find the equivalent resistance seen by the source...Ch. 2 - Determine the voltage vo between nodes A and Bin...Ch. 2 - Refer to Figure P2.68 and assume...Ch. 2 - Prob. 2.69HPCh. 2 - Prob. 2.70HPCh. 2 - Prob. 2.71HPCh. 2 - The circuit of Figure P2.72 is used to measure the...Ch. 2 - Consider the practical ammeter, depicted in Figure...Ch. 2 - Prob. 2.74HPCh. 2 - Prob. 2.75HPCh. 2 - Prob. 2.76HPCh. 2 - A voltmeter is used to determine the voltage...Ch. 2 - Prob. 2.78HPCh. 2 - Figure P2.79 shows an aluminum cantilevered beam...Ch. 2 - Refer to Figure P2.79 but assume that the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 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.arrow_forwardcircuit analysis using superposition what is value of iarrow_forwardTwo X-band 8.2-12.4 GHz rectangular horns, with aperture dimensions of 5.5 cm and 7.4 cm and each with a directivity of 16.3 dB (over isotropic at 10 GHz), are used as transmitting and receiving antennas. Assuming that the input power is 200 mW, the VSWR of each is 1.1. The conduction-dielectric efficiency is 100%, and the antennas are polarization-matched, find the maximum received power when the horns are separated in air by 5 m.arrow_forward
- The normalized radiation intensity of an antenna is rotationally symmetric in 4, and it is represented by 1 0°≤8 <30° 0.5 30° ≤ 0 < 60° U = 0.1 60° ≤ 0 < 90° 90° ≤ 0 ≤ 180° a) Determine the directivity (above isotropic) of an antenna in dB? b) Determine the directivity (above an infinitesimal dipole) of an antenna in dB?arrow_forwardA resonant lossless 2/2 dipole antenna, having a directivity of 2.156 dB at frequency of 9 MHz, has input impedance 73 £2 and is connected to a lossless 73 2 transmission line. A wave, having the same polarization as the antenna, is incident upon the antenna with a power density of 5 W/m². Find the received power available at the end of the transmission line.arrow_forward"Detail the solution to the question with an explanation of the integration." The normalized radiation intensity is given by: 1 0≤0≤30 U(0,) cos(0) 30 ≤0≤90 0.866 0 90 ≤0≤180 Determine the maximum directivity, HPBWarrow_forward
- Don't use ai to answer I will report you answer.arrow_forward"Detail the solution to the question with an explanation of the integration." A diploe with a total loss resistance of 12, is connected to generator whose internal impedance is 50+j25, the peak voltage of generator is 2 V and the impedance of the dipole excluding the loss resistance is 73+j42.5. All antenna and generator are connected via 50-92 2/4 long lossless transmission line. (a) Draw the equivalent circuit (b) Determine the power supplied by the generator (c) Determine the power radiated by the antennaarrow_forwardcircuit analysis find ia using mesh analysisarrow_forward
- cicuit analysisfind the power transfered to circuit by 4A currentarrow_forward"Detail the solution to the question with an explanation of the integration." The normalized far-zone power pattern of an antenna is given by for 0≤0≤ and 0≤≤/2,3/2≤≤2, U(0,0)=sine (cos0)2 elsewhere Find the directivity using the exact expression, HPBW in both azimuth and elevationarrow_forwardcircuit analysis using source transform find v?how much power does a 120v source deliver to the circuit?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Why HIGH VOLTAGE DC power Transmission; Author: ElectroBOOM;https://www.youtube.com/watch?v=DFQG9kuXSxg;License: Standard Youtube License