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 22, Problem 2PP
Assume that the voltage drop across the resistor, ER, is 78 V; the voltage drop across the capacitor, EC, is 104 V; and the circuit has a total impedance, Z, of 20
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"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 dB
Chapter 22 Solutions
Delmar's Standard Textbook of Electricity (MindTap Course List)
Ch. 22 - In a pure capacitive circuit, does the current...Ch. 22 - A series circuit contains a 20- resistor and a...Ch. 22 - An RC series circuit has a power factor of 76%....Ch. 22 - An RC series circuit has a total impedance of 84 ....Ch. 22 - A capacitor has a capacitive reactance of 50 when...Ch. 22 - A 15-F AC capacitor is connected in series with a...Ch. 22 - An RC series circuit is connected to a 120-V,...Ch. 22 - An RC series circuit is connected to a 240-V,...Ch. 22 - Refer to the formulas in the Resistive-Capacitive...Ch. 22 - Assume that the voltage drop across the resistor,...
Ch. 22 - Assume the circuit shown in Figure 221 has an...Ch. 22 - Assume the circuit in Figure 22-1 has a power...Ch. 22 - In a series RC circuit, ET=240 volts, R=60, and...Ch. 22 - In a series RC circuit, ET=120 volts, R=124, and...Ch. 22 - In a series RC circuit, ET=208 volts, IT=2.4...Ch. 22 - In a series RC circuit, ET=460 volts and =44. Find...Ch. 22 - In a series RC circuit, ET=240 volts at 60 Hz. An...Ch. 22 - In a series RC circuit, the apparent power is 4250...
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