ELECTRIC MOTORS+CONTROLS ACTIVITIES MAN.
3rd Edition
ISBN: 9781260439380
Author: Petruzella
Publisher: MCG
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Textbook Question
Chapter 1.1, Problem 1RQ
Does the severity of an electric shock increase or decrease with each of the following changes?
- a. A decrease in the source voltage.
- b. An increase in body current flow.
- c. An increase in body resistance.
- d. A decrease in the length of time of exposure.
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Figure 2
3) *** The circuit of Figure 3 is designed with W/L = 20/0.18, λ= 0, and ID = 0.25 mA.
(Optional- 20 points)
a) Compute the required gate bias voltage.
b) With such a gate voltage, how much can W/L be increased while M1 remains in
saturation? What is the maximum voltage gain that can be achieved as W/L
increases?
VDD = 1.8 V
RD 2k
- Vout
Vin M₁
Figure 3
1) Rs = 4kQ, R₁ = 850 kQ, R₂ = 350 kQ, and R₁ = 4 kQ. The transistor parameters are
VTP = -12 V, K'p = 40 µA / V², W/L = 80, and λ = 0.05 V-1. (50 Points)
a) Determine IDQ and VSDQ.
b) Find the small signal voltage gain. (Av)
c) Determine the small signal circuit transconductance gain. (Ag = io/vi)
d) Find the small signal output resistance.
VDD = 10 V
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Chapter 1 Solutions
ELECTRIC MOTORS+CONTROLS ACTIVITIES MAN.
Ch. 1.1 - Does the severity of an electric shock increase or...Ch. 1.1 - In general, voltage levels above what value are...Ch. 1.1 - In general, current levels above what value are...Ch. 1.1 - What circuit fault can result in an arc flash?Ch. 1.1 - Define each of the following terms associated with...Ch. 1.1 - Explain why an arc flash is so potentially...Ch. 1.1 - What is a permit-required confined space?Ch. 1.1 - What does the term personal protective equipment...Ch. 1.1 - What personal protective attire is required when...Ch. 1.1 - When should face shields be worn?
Ch. 1.1 - A fall arrest system must be rigged so that...Ch. 1.1 - A ladder is used to reach the top of a building 16...Ch. 1.1 - What are the deck requirements for a scaffold work...Ch. 1.1 - Prob. 14RQCh. 1.1 - List the three ingredients required to sustain a...Ch. 1.1 - Which classes of fire are multipurpose...Ch. 1.1 - List four hazardous properties or characteristics.Ch. 1.2 - Prob. 1RQCh. 1.2 - Compare the terms grounding and bonding.Ch. 1.2 - Why is the earth not considered to be an effective...Ch. 1.2 - Explain what is meant by a ground fault.Ch. 1.2 - How does a ground-fault circuit interrupter (GFCI)...Ch. 1.2 - How does a ground-fault circuit interrupter (GFCI)...Ch. 1.2 - Explain what is meant by an arcing fault.Ch. 1.2 - Compare the amount of current that results from...Ch. 1.2 - Compare what GFCIs and AFCIs protect against.Ch. 1.2 - What does a lockout-tagout procedure refer to?Ch. 1.2 - Prob. 11RQCh. 1.2 - A voltmeter is used to verify that no voltage is...Ch. 1.2 - What is the main goal of OSHA?Ch. 1.2 - What is the primary purpose of the rules set forth...Ch. 1.2 - Assume a piece of electrical equipment has been...Ch. 1.2 - How often is the National Electrical Code updated...
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