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Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 17, Problem 3RQ
In which category do phototransistors and photodiodes belong?
Expert Solution & Answer
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Students have asked these similar questions
13.1
Determine F2 and F2 for the following configura-
tions using the reciprocity theorem and other basic
shape factor relations. Do not use tables or charts.
(a) Small sphere of area A, under a concentric hemi-
sphere of area A₂ = 3A₁
A₂
A1
(a)
(b) Long duct. Also, what is F₁₂?
A₂
Αν
(b)
(c) Long inclined plates (point B is directly above the
center of A₁)
B
100 mm
A₂
- 220 mm
(c)
(d) Long cylinder lying on infinite plane
+
A₁
Az
(d)
(e) Hemisphere-disk arrangement
-A₂, hemisphere,
diameter D
A₂
A₁, disk,
diameter D/2
(e)
(f) Long, open channel
1 m
AA₂
2 m
(f)
(g) Long cylinders with A₁ = 4A₁. Also, what is F₁₂?
-D₁
A1
-A₂
-D2
(e)
(h) Long, square rod in a long cylinder. Also, what
is F22?
w=D/5
18
A₁
-A2
(h)
-D
13.9 Determine the shape factor, F12, for the rectangles
shown.
6 m
1
3 m
6 m
1 m
2
6 m
1
0.5 m
2
1 m
(a) Perpendicular rectangles
without a common edge.
-1 m.
(b) Parallel rectangles of
unequal areas.
I keep getting the wrong answer i have gotten 6519.87 and 319.71
Chapter 17 Solutions
Industrial Motor Control
Ch. 17 - List the three major categories of photodetectors.Ch. 17 - In which category does the solar cell belong?Ch. 17 - In which category do phototransistors and...Ch. 17 - Prob. 4RQCh. 17 - Prob. 5RQCh. 17 - Prob. 6RQCh. 17 - What is the advantage of a photodetector that uses...Ch. 17 - An object is to be detected by reflecting light...Ch. 17 - How much voltage is produced by a silicon solar...
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