EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Question
Chapter 23.1, Problem 6R
To determine
What type of equipment is used to provide electric heat in residence.
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Vcc=-12 V；R1=33 kΩ；RC=1.8 kΩ；βDC = 150；RE=560Ω；R2=5.6 k Ω確定圖5-38中的I1、I2和IB。
課本給的答案A: I1=315μA；I2=288μA ；IB=27μA，請教我計算過程
Consider the following circuit, assuming the switch has been in the same position for a long period of time before t = 0:
Vx
L
iL
R3
R2
R₁
Is
+
Vo
-
コロ
>Where Is = 100 mA,R=2202, R2 = 4702,R3 =4702,L= 1 mH. As indicated on the diagram, before t = 0, the switch is closed, after t = 0 the switch is open.
1. What are Ve and Vo before the switch shown opens (answer to within 1% accuracy)?
Vx =
V, Vo =
V
2. What is the T of the RL circuit after the switch operates (answer to within 1% accuracy)?
T=
μs
3. Complete the derivation for the inductor current in (t) differential equation below by filling in the blank coefficients (answer to within 1% accuracy):
diy(1)
dt
di (0) +
iz (t)+
= 0
4. Hence or otherwise, find the time domain expression for Vo(t) (answer to within 1% accuracy):
Vo(t)=
exp(
確定圖5-38中的I1、I2和IB。 Vcc=-12 V；R1=33 kN；RC=1.8 kN；βDC = 150；RE=560；R2=5.6 kN 圖 5-38
Chapter 23 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 23.1 - a. What is the allowance in watts made for...Ch. 23.1 - What are some of the advantages of electric...Ch. 23.1 - List the different types of electric heating...Ch. 23.1 - There are two basic voltage classifications for...Ch. 23.1 - What device is required when the total connected...Ch. 23.1 - Prob. 6RCh. 23.1 - Prob. 7RCh. 23.1 - A certain type of control connects electric...Ch. 23.1 - What advantages does a 240-volt heating unit have...Ch. 23.1 - The white wire of a cable may be used to connect...
Ch. 23.1 - Receptacle outlets furnished as part of a...Ch. 23.1 - The branch circuit supplying a fixed electric...Ch. 23.1 - Prob. 13RCh. 23.1 - For ballpark calculations, the wattage output of a...Ch. 23.1 - A central electric furnace heating system is...Ch. 23.1 - What section of the Code provides the correct...Ch. 23.1 - Electric heating cable embedded in plaster, or...Ch. 23.2 - Prob. 1RCh. 23.2 - Prob. 2RCh. 23.2 - Prob. 3RCh. 23.2 - a. Must an air conditioner installed in a window...Ch. 23.2 - Prob. 5RCh. 23.2 - What is the Code requirement for receptacles...Ch. 23.2 - Prob. 7RCh. 23.2 - When the nameplate on an air-conditioning unit...Ch. 23.2 - Prob. 9RCh. 23.2 - Match the following terms with the statement that...Ch. 23.2 - The disconnect for an air conditioner or heat pump...
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