1. In household wiring, usually 12-gauge copper wire (diameter 2.05 mm) is used. A light bulb is connected to power supply through such a wire. A 1.5-Ampere current runs through the wire and the light bulb. What is the resistance of 10-meter length of а. the wire? b. How many electrons pass through the light bulb each second? с. What is the current density in the wire?

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)...
icon
Related questions
Question
Please help answer parts A. B. and C.
1.
In household wiring, usually 12-gauge copper
wire (diameter 2.05 mm) is used. A light
bulb is connected to power supply through such a wire. A
1.5-Ampere current runs through the
wire and the light bulb.
а.
What is the resistance of 10-meter length of
the wire?
b.
How many electrons pass through the light
bulb each second?
c.
What is the current density in the wire?
ww . p
Substance
p (fN • m)
P (0.
p (fN •m)
Substance
Conductors
Semiconductors
1.47 x 10*
1.72 x 10
2.44 X 108
2.75 x 10
5.25 X 10
20 x 10
22 x 10-8
95 x 10
44 X 108
49 x 108
100 x 10
Pure carbon (graphite)
Pure germanium
Pure silicon
Metals
Silver
3.5 x 10-3
Соррer
Gold
Aluminum
0.60
2300
Insulators
5x 104
100-104
>1013
10"-1015
75 x 1016
1015
Tungsten
Steel
Amber
Glass
Lucite
Mica
Lead
Mercury
Manganin (Cu 84%, Mn 12%, Ni 4%)
Constantan (Cu 60%, Ni 40%)
Nichrome
Alloys
Quartz (fused)
Sulfur
Teflon
Wood
10- 10
TABLE 31-2. Values of the Resistivity and the Temperature Coefficient
for Various Substances
SUBSTANCE
e (2- m)
a (deg-)
p (at 0° C)
a (0° C-100° C)
Conductors:
(Ag
Cu
AI
1.47 x 10-
1.56 x 10
2.63 x 10-
6.38 x 10
8.85 x 10-
9.83 x 10
4.8 x 10-7
4.9 x 10-7
1.1 x 10
4.1 x 10-3
4.3 x 10-3
4.4 x 10-3
6.6 x 10
6.5 x 10-3
3.9 x 10-3
2 x 10-5
-1 x 10-5
4 x 10-
metals
Ni
Fe
Pt
Manganin
alloys Constantan
Nichrome
Semiconductors:
p (at 20° C)
a (at 20° C)
C
Ge
Si
3.5 x 10 5
0.45
-5 x 10 3
-4.8 x 10-2
-7.5 x 10-2
pure
640
p (at 20° C)
5 x 1014
1010-1014
>1013
7.5 x 1017
1015
10-101
Insulators:
Amber
Glass
Lucite
Quartz
Sulfur
Wood
Transcribed Image Text:1. In household wiring, usually 12-gauge copper wire (diameter 2.05 mm) is used. A light bulb is connected to power supply through such a wire. A 1.5-Ampere current runs through the wire and the light bulb. а. What is the resistance of 10-meter length of the wire? b. How many electrons pass through the light bulb each second? c. What is the current density in the wire? ww . p Substance p (fN • m) P (0. p (fN •m) Substance Conductors Semiconductors 1.47 x 10* 1.72 x 10 2.44 X 108 2.75 x 10 5.25 X 10 20 x 10 22 x 10-8 95 x 10 44 X 108 49 x 108 100 x 10 Pure carbon (graphite) Pure germanium Pure silicon Metals Silver 3.5 x 10-3 Соррer Gold Aluminum 0.60 2300 Insulators 5x 104 100-104 >1013 10"-1015 75 x 1016 1015 Tungsten Steel Amber Glass Lucite Mica Lead Mercury Manganin (Cu 84%, Mn 12%, Ni 4%) Constantan (Cu 60%, Ni 40%) Nichrome Alloys Quartz (fused) Sulfur Teflon Wood 10- 10 TABLE 31-2. Values of the Resistivity and the Temperature Coefficient for Various Substances SUBSTANCE e (2- m) a (deg-) p (at 0° C) a (0° C-100° C) Conductors: (Ag Cu AI 1.47 x 10- 1.56 x 10 2.63 x 10- 6.38 x 10 8.85 x 10- 9.83 x 10 4.8 x 10-7 4.9 x 10-7 1.1 x 10 4.1 x 10-3 4.3 x 10-3 4.4 x 10-3 6.6 x 10 6.5 x 10-3 3.9 x 10-3 2 x 10-5 -1 x 10-5 4 x 10- metals Ni Fe Pt Manganin alloys Constantan Nichrome Semiconductors: p (at 20° C) a (at 20° C) C Ge Si 3.5 x 10 5 0.45 -5 x 10 3 -4.8 x 10-2 -7.5 x 10-2 pure 640 p (at 20° C) 5 x 1014 1010-1014 >1013 7.5 x 1017 1015 10-101 Insulators: Amber Glass Lucite Quartz Sulfur Wood
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Resistivity
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON