Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Textbook Question
Chapter 25.1, Problem 14R
When hooking up one CATV cable and another cable from an outdoor antenna to a receiver that has only one antenna input terminal, a(n) __________ switch is usually installed.
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istics of diodes, bipolar junction transistors, and
plain the structure, operation,
1. The purpose of doping in semiconductor diodes is:
a) To control their electrical properties
b) To increase their physical size
c) To enhance their mechanical strength d) To improve their thermal stability
2. In electronics production, your team wants to manufacture a very cheap diode rectifier.
Which of the following rectifier configurations would you select?
a) Half-wave rectifier
c) Full-wave rectifier
b) Bridge rectifier
d) Controlled rectifier
3. The region that a Zener diode operates to provide voltage regulation is:
a) Saturation
c) Reverse bias
b) Breakdown
d) Forward bias
4. In NMOS transistors, the depth of the channel is primarily changed by:
a) VDS
b) lp
c) VGS
d) None of these
5. NMOS transistors have
than PMOS, resulting in better current conduction:
b) Long channel
a) High mobility
c) Low mobility
d) Short channel
6. You are working in electronic production, and your team is asked to…
8.46 The generator circuit shown in Fig. P8.46 (on page 494) isconnected to a distant load via a long coaxial transmission line.The overall circuit can be modeled as in Fig. P8.46(b), in whichthe transmission line is represented by an equivalent impedanceZline = (5+ j2) W.(a) Determine the power factor of voltage source Vs.(b) Specify the capacitance of a shunt capacitor C that wouldraise the power factor of the source to unity when connectedbetween terminals (a,b). The source frequency is 1.5 kHz.
Chapter 25 Solutions
Electrical Wiring Residential
Ch. 25.1 - How many television outlets are installed in this...Ch. 25.1 - Which type of television cable is commonly used...Ch. 25.1 - What determines the design of the faceplates used?...Ch. 25.1 - Prob. 4RCh. 25.1 - From a cost standpoint, which system is more...Ch. 25.1 - Prob. 6RCh. 25.1 - Prob. 7RCh. 25.1 - Prob. 8RCh. 25.1 - Which article of the Code references the...Ch. 25.1 - It is generally understood that grounding and...
Ch. 25.1 - Prob. 11RCh. 25.1 - Prob. 12RCh. 25.1 - Which section of the Code prohibits supporting...Ch. 25.1 - When hooking up one CATV cable and another cable...Ch. 25.1 - Prob. 15RCh. 25.1 - Prob. 16RCh. 25.2 - How many locations are provided for telephones in...Ch. 25.2 - At what height are the telephone outlets in this...Ch. 25.2 - Sketch the symbol for a telephone outlet.Ch. 25.2 - Is the telephone system regulated by the NEC?...Ch. 25.2 - a. Who is to furnish the outlet boxes required at...Ch. 25.2 - Who is to furnish the telephones? _____Ch. 25.2 - Who does the actual installation of the telephone...Ch. 25.2 - How are the telephone cables concealed in this...Ch. 25.2 - Prob. 9RCh. 25.2 - What are the colors contained in a four-conductor...Ch. 25.2 - Itemize the code rule for the installation of...Ch. 25.2 - If finger contact were made between the red...Ch. 25.2 - What section of the Code prohibits supporting...Ch. 25.2 - The term cross-talk is used to define the hearing...Ch. 25.2 - Which section of the Code prohibits telephone...Ch. 25.3 - Prob. 1RCh. 25.3 - What style of chime is used in this residence?...Ch. 25.3 - a. How many solenoids are contained in a 2-tone...Ch. 25.3 - Explain briefly how two notes are sounded by...Ch. 25.3 - a. Sketch the symbol for a push button....Ch. 25.3 - Prob. 6RCh. 25.3 - What is the maximum volt-ampere rating of...Ch. 25.3 - What two types of chime transformers for Class 2...Ch. 25.3 - Is the extension chime connected with the front...Ch. 25.3 - a. What change in equipment may be necessary when...Ch. 25.3 - What type of insulation is usually found on...Ch. 25.3 - Prob. 13RCh. 25.3 - a. How many wires are run between the front hall...Ch. 25.3 - Why is it recommended that the low-voltage...Ch. 25.3 - a. Is it permissible to install low-voltage Class...Ch. 25.3 - a. Where is the transformer in the residence...Ch. 25.3 - a. How many feet of 2-conductor bell wire cable...Ch. 25.3 - Prob. 19RCh. 25.3 - Prob. 20RCh. 25.3 - What section of the Code prohibits supporting fire...Ch. 25.3 - Prob. 22RCh. 25.3 - What does the term Wi-Fi stand for? _____Ch. 25.3 - A Wi-Fi system is (required) (optional). (Circle...
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