Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 1, Problem 25R
a.
To determine
Whether the use of stepladder without fully locked is a safe practice or not.
b.
To determine
Who is responsible for ladder collapse fault.
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3) In the circuit in Figure 3, the Transistor parameters are VTN = 0.8 V and Kn
= 0.5 mA/V2. Calculate ID, VGS, and VDS.
VDD = 10 V
Κ = 32 ΚΩ
Κρ=4ΚΩ
R2 = 18 ΚΩ
Rs = 2k
Figure 3
2) Consider the circuit in Figure 2, The transistor parameters are VTP = -0.8 V and Kp
= 0.5 mA/V2. Determine ID, VSG and VSD.
For the circuit shown, let V₁ = 12 V, Is1 = 2A, Is2 = 4A, R₁ = 2, R2 = 4, and R3 = 6. Determine the current
Io using Mesh method as follows:
1. Choose all meshes that must be included, if any, to construct the supermesh.
11, 13
O 11, 12
O 12, 13, 11
12, 13
O none of the above
2. Consider mesh (loop) iz, write the corresponding expression in terms of mesh currents i₁, 12, 13 as
of the form (R11 · i₁ + R₁2 · 2 + R₁3-13 = V₁), then enter the corresponding values:
R11
R12
R13
Ω
Ω
Ω
V
V₁₂
3. Solve the above equation to determine then lo :
10
=
Ist
A
R₁
ww
ww
R₂
+
V₁
1,
R3
The relative tolerance for this problem is 7%.
ww
IS2
Chapter 1 Solutions
Electrical Wiring Residential
Ch. 1 - Prob. 1RCh. 1 - Prob. 2RCh. 1 - Does the NEC provide minimum or maximum standards?...Ch. 1 - What do the letters UL signify?Ch. 1 - What section of the NEC states that all listed or...Ch. 1 - Prob. 6RCh. 1 - Prob. 7RCh. 1 - Does compliance with the NEC always result in an...Ch. 1 - Name two nationally recognized testing...Ch. 1 - Prob. 10R
Ch. 1 - Prob. 12RCh. 1 - A junction box on a piece of European equipment is...Ch. 1 - Prob. 14RCh. 1 - You will learn in Chapter 3 that residential...Ch. 1 - Prob. 16RCh. 1 - What can you do to reduce or eliminate the...Ch. 1 - What is the NEC definition of a qualified person?Ch. 1 - Are low-voltage systems totally safe? Explain.Ch. 1 - Prob. 21RCh. 1 - What do the letters PPE stand for?...Ch. 1 - Prob. 23RCh. 1 - Where might you obtain information about...Ch. 1 - Prob. 25R
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- Reversing 1⏀ Motors-all the wires are not used. Use the data sheet b on page 383 to draw the wiring diagram. Note: interchange the red and black leads to reverse the motor rotation. Use only the number of contacts required. Insulate any motor wire not used with a wire nut. Wire the motor to operate in forward and reverse at 115 VACarrow_forwardSee both images to answerarrow_forwardSee both images to answerarrow_forward
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