College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Problem 1: A piece of 2-gauge copper wire has a length of 17.75 m. The tables provided may be a convenient source of data.
Wire diameter d for select gauges in the AWG (American Wire Gauge) system.
4
6
8
10
14
16
5.189
4.115
3.264
2.588
1.628
1.291
gauge
d (mm)
0
8.251
R =
material
conductors
silver
copper
gold
aluminum
tungsten
iron
constantan
mercury
nichrome
2
6.544
Conductivity (o), resistivity (p), and temperature coefficient of resistivity (a) at 20°C for select materials.
o (1/(Q.m))
p (Q.m)
a (°C-¹)
semiconductors
carbon (pure)
germanium (pure)
silicon (pure)
What is the resistance, in ohms, of the given length of wire?
6.29 × 107
3.8 x 10-3
5.95 × 107
3.9 × 10-3
4.10 × 107
3.4 x 10-3
3.77 x 107
3.9 × 10-3
1.79 × 107
4.5 x 10-3
1.03 × 107
6.5 x 10-3
0.20 × 107
0.03 × 10-3
0.10 × 107
0.9 × 10-³
0.10 × 107
100. × 10-8
0.4 x 10-3
(Values for semiconductors depend strongly on type and amount of impurities.)
2.86 x 10-6
3.50 × 10-5
-0.5 × 10-3
0.60
-0.048
-0.075
2300
Ω
sin()
cotan()
atan() acotan()
cosh()
cos()
asin()
П (
tan()
acos() E ^^^
sinh()
tanh() cotanh()
Degrees Radians
Submit
Hint
+
1.59 x 107
1.68 × 10-8
2.44 x 10-8
2.65 × 10-8
5.60 × 107
9.71 × 10-8
49.0 × 10-8
98.0 × 10-8
*
Feedback
-8
-
7
4
1
0
-8
12
2.053
VBACKSPACE
8 9 HOME
5 6
2 3
DEL
I give up!
END
18
1.024
CLEAR
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