Delmar's Standard Textbook of Electricity (MindTap Course List)
6th Edition
ISBN: 9781285852706
Author: Stephen L. Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 14RQ
What is the major difference between a wattmeter and a d’Arsonval meter?
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"I need an expert solution with detailed steps for
integration."
The normalized Far-field pattern of an antenna is given by:
E = √√sine (cosq)
Determine:
1) Beam solid angle
2) Exact Directivity
0≤0≤ 180, while 0≤≤180, and 270 ≤≤ 360
3) HPBW in both azimuth and elevation
"I need an expert solution with detailed steps for
integration."
Find Directivity, the effect aperture and aperture efficiency of the antenna, if it has physical
aperture of 2.4 x 10-2-2 and the radiation intensity can be approximated by:
U(0, 4) = (sesce
0°s0<20°
20°ses600
1.0°≤≤ 360°
Chapter 10 Solutions
Delmar's Standard Textbook of Electricity (MindTap Course List)
Ch. 10 - To what is the turning force of a dArsonval meter...Ch. 10 - Prob. 2RQCh. 10 - A DC voltmeter has a resistance of 20,000 per...Ch. 10 - 4. What is the purpose of an ammeter shunt?
Ch. 10 - 5. Name two methods used to make a DC multirange...Ch. 10 - 6. How is an ammeter connected into a circuit?
Ch. 10 - 7. How is a voltmeter connected into a circuit?
Ch. 10 - 8. An ammeter shunt has a voltage drop of 50 mV...Ch. 10 - 9. What type of meter contains its own separate...Ch. 10 - 10. What electrical quantity does the oscilloscope...
Ch. 10 - 11. What is measured on the Y axis of an...Ch. 10 - 12. What is measured on the X axis of an...Ch. 10 - 13. A waveform shown on the display of an...Ch. 10 - 14. What is the major difference between a...Ch. 10 - 15. What two factors determine the turning force...Ch. 10 - You are an electrician on the job. You have been...Ch. 10 - 1. A d'Arsonval meter movement has a full-scale...Ch. 10 - The meter movement described in Question 1 is to...Ch. 10 - 3. A meter movement has a full-scale value of . A...Ch. 10 - The meter movement described in Question 1 is to...Ch. 10 - 5. A digital voltmeter indicates a voltage of 2.5...
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- Don't use ai to answer I will report you answerarrow_forwardDon't use ai to answer I will report you answerarrow_forward"Can you explain the integration method to show the result?" The radiation intensity of an aperture antenna, mounted on an infinite ground plane with perpendicular to the aperture, is rotationally symmetric (not a function of 4), and it is given by U = π sin Find the approximate directivity (dimensionless and in dB) using (a) numerical integration. Use the DIRECTIVITY computer program at the end of this chapter. U sin ( sin ) sin (a) Directly Do = 14.0707 = 10log (14.0707) = 11.48 dBarrow_forward
- Don't use ai to answer I will report you answerarrow_forwardcomplete the table in the attached photos. instructions are below the tablearrow_forwardPlease show the solution and answers in each. Thank you. A 120 MVA, 19.5 kV generator has Xₛ = 1.5 pu and is connected to a transmission line by a transformer rated 150 MVA , 230 wye/18 delta kV Watts, and X = 0.1 pu. If the base to be used in the calculation is 100 MVA, 230 kV for the transmission line. a. Find the per-unit values to be used for the transformer and generator reactances. b. If the transformer delivers 80% of its rated capacity to the line at 220 kV, express the current in per unit. c. Find also the current in the genrator in amperes.arrow_forward
- I need an expert mathematical solution. The radiation intensity of an aperture antenna, mounted on an infinite ground plane with perpendicular to the aperture. is rotationally symmetric (not a function of 4), and it is given by U sin (77 sin 0) π sin Find the approximate directivity (dimensionless and in dB) using numerical integration. Use the DIRECTIVITY computer program at the end of this chapter.arrow_forwardDon't use ai to answer I will report you answer.arrow_forwardDon't use ai to answer I will report you answerarrow_forward
- Need handwritten solution not using chatgptarrow_forwardHandwritten Solution pleasearrow_forwardThe E-field pattern of an antenna. independent of , varies as follows: E 0 0° ≤ 0≤ 45° 45°<≤ 90° 90° <8180° (a) What is the directivity of this antenna? Umax 7 why did we use this law Umax = 12 but we divided by 2? In the sent Solution = R 27arrow_forward
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