Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Question
Chapter 6, Problem 2R
To determine
Find the current set to residential GFCI devices on a ground fault current.
Expert Solution & Answer
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Students have asked these similar questions
2) Estimate the transmission bandwidth for the following FM modulated signals (W is the message
bandwidth)
a) W1KHz and frequency deviation of 75KHz
b) W = 20KHz and frequency deviation of 75KHz
c) W1KHz and frequency deviation of 150KHz
d) W20KHz and frequency deviation of 150KHZ
I want to explain how the result becomes (735.1) Hz)
and what are the steps and explain the reasons?
Q6 The FET shown in Fig. 1.43 has gm = 3.4mS and ra =100 K. Find the approximate
lower cutoff frequency. Ans: 735.1 Hz.
25V
2ΚΩ
1.5ΜΩ
0.02µF
0.02µF
20 ΚΩ
330kQ
820 ΩΣ
OpF
Fig. 1.43 Circuit for Q6.
40ΚΩ
3. What is the function of LM565 pin 6?
4. What is the purpose of the multistage low-pass filter between the LM565
output and the comparator input?
C10.1μ
FSK
Input
w₁
R2
100k
-o+5V(Vcc)
VR1
10k
C4
C5:
0.1 μ.
0.1μ
0.1 μ
8
10
R3
R4
D₁
FSK
Phase
Rx 7
10K
10K
Detector
www
ww
ww
1N4004
+
Demodulated
Output
6
AMP
R₁
6
100k
3
C₂
0.05 μ
VCO
4
5
9
U1
-5V
LM565
-0-5V(VEE)
Fig. 14-2 FSK demodulator
U2
R6
μ4741
10k
Chapter 6 Solutions
Electrical Wiring Residential
Ch. 6 - Explain the operation of a ground-fault circuit...Ch. 6 - Prob. 2RCh. 6 - Where must GFCI receptacles be installed in...Ch. 6 - Prob. 4RCh. 6 - Prob. 5RCh. 6 - A homeowner calls in an electrical contractor to...Ch. 6 - Prob. 7RCh. 6 - Extremely long circuit runs connected to a GFCI...Ch. 6 - If a person comes in contact with the hot and...Ch. 6 - What might happen if the line and load connections...
Ch. 6 - Is a GFCI receptacle permitted be installed as a...Ch. 6 - Prob. 12RCh. 6 - Prob. 13RCh. 6 - Prob. 14RCh. 6 - Prob. 15RCh. 6 - Construction sites can be dangerous because of the...Ch. 6 - Prob. 17RCh. 6 - Prob. 18RCh. 6 - The term SPD is becoming quite common. What do the...Ch. 6 - Transients (surges) on a line can cause spikes or...Ch. 6 - Prob. 21RCh. 6 - Prob. 22RCh. 6 - Some line transients are not damaging to...Ch. 6 - Briefly explain the operation of an immersion...Ch. 6 - What range of leakage current must trip an IDCI?Ch. 6 - Prob. 26RCh. 6 - Other than for a few exceptions, the NEC requires...Ch. 6 - In an old house, an existing nongrounding...Ch. 6 - Prob. 29RCh. 6 - NEC 210.12(A) requires AFCI protection for the...Ch. 6 - When installing GFCI and AFCI circuit breakers in...Ch. 6 - Prob. 32RCh. 6 - Prob. 33RCh. 6 - A switch that is located inside a bedroom for an...Ch. 6 - Which of the following installations for a kitchen...Ch. 6 - The receptacle outlets in the garage are required...Ch. 6 - Two 125-volt receptacles on a 20-ampere, 120-volt...Ch. 6 - Prob. 38R
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- 1. What components determine the free-running frequency of the VCO in LM565 of Fig. 14-2? 2. What is the purpose of μA741 in Fig. 14-2? C10.1μ FSK Input -o+5V(Vcc) VR1 10k C4 C5: 0.1 μ. 0.1 μ 0.1 μ 8 10 R3 R4 R5 Phase Rx 7 10K 10K 10k D₁ FSK Detector www ww ww ww 1N4004 + Demodulated Output AMP 6 R₁ 6 100k w₁ R2 100k 3 C₂ 0.05 μ VCO 4 5 9 U1 -5V LM565 -0-5V(VEE) Fig. 14-2 FSK demodulator U2 R6 μ4741 10karrow_forwardWhen troubleshooting power and control circuits, approximate meter readings should be anticipated if the meter readings are going to be used to help determine circuit problems. Determine the expected DMM reading if the ciircuit is working properly. The expected reading of DMM 1 with the motor on is what VAC? And the expected reading of DMM 2 with the motor is on is what VAC? And The expected reading of DMM 3 with the motor on is What mA?arrow_forwardDU 1. Describe the operations of Q1, Q2 and LM566. 2. Describe the functions of VR1 and VR2. R6 lk R3 BRUD 3. If the input frequency is higher than the FSK frequency, does the FSK modulator operate normally? 0+12V R10 5.6k 6 10k VRI 500k U₁ LM566 3 VCO output 7 Digital input R₁ VR2 10k ww 1k Qi C945 C945 C5 I 0.1 uF C6 luF C₁ 0.01μ R2 10k ww R$ 100k C3 +12V 0.01μ R9 100k +12V 6 R710k Rs 100k 6 R4 100k P FSK output ww ww + www + 3 3 4 U U₂ 1000p -12V HA741 1000p-12V µА741 Fig. 13-2 FSK modulator CTS circuit.arrow_forward
- . 30-dB, right-circularly polarized antenna in a radio link radiates 5-W of power t 2 GHz. The input impedance of this antenna is 75 ohms, and it is attached ɔ a 50-ohm transmission line. The receiving antenna has an impedance mismatch at its terminals, - which leads to a VSWR of 2. The receiving antenna is about 95% efficient and has a field pattern near the beam maximum given by E, = (2âx + jây) F, (0, 0). The distance between the two antennas is 4,000 km, and the receiving antenna Directivity is 100. Determine the Minimum power Delivered to receiving antenna. 1arrow_forwardOpen plc - ladder logic To control traffic, we have red lights to stop cars and green lights to initiate entry/exit. If a car is in the lane, then the red lights turn ON. If no cars are in the lane, then the green lights turn ON. Upon turning ON the main switch button, the main switch indicator should turn ON and the system should start with green lights ON and red lights OFF?arrow_forward3-4) 3.4-2 Signals g₁(t) = 104П(104) and g2(t) = 8(t) are applied at the inputs of the ideal low-pass filters H₁(f)=(f/20,000) and H2(f) = П(f/10,000) (Fig. P3.4-2). The outputs y₁ (t) and y2(t) of these filters are multiplied to obtain the signal y(t) = y1 (1)y2(t). (a) Sketch G1(f) and G2(f). (b) Sketch H₁(f) and H₂(f). (c) Sketch Y₁ (f) and Y2(f). (d) Find the bandwidths of y₁ (t), y2(t), and y(t). 8₁ (1) H₁(f) y, (t) y(t) = y₁ (1) y2 (1) 82(1) ½⁄2 (1) H₂(f)arrow_forward
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