Fundamentals of Physics, Volume 1, Chapter 1-20
10th Edition
ISBN: 9781118233764
Author: David Halliday
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Question
Chapter 41, Problem 3P
To determine
To calculate:
the number density n of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
What is the number density of free electron carries in the metallic element nickel if the electrons available for electrical conduction is 1 e- per nickel atom? The atomic mass of nickel is 58.6934 g/mole and the density of nickel is 8.902 g/cm3.
a.
3.32 x 1028 e- ' s /m3
b.
1.56 x 1029 e- ' s /m3
c.
5.64 x 1028 e- ' s /m3
d.
9.13 x 1028 e- ' s /m3
e.
7.63 x 1028 e- ' s /m3
The electron drift speed is 2.5×10−4 m/s in a metal with a mean free time between collisions of 4.2×10−14 s. What is the electric field strength?
In solid KCI the smallest distance between the centers of a. potassium ion and a chloride ion is 314 pm. Calculate the length of the edge of the unit cell and the density of KCI, assuming it has the same structure as sodium chloride.
Chapter 41 Solutions
Fundamentals of Physics, Volume 1, Chapter 1-20
Ch. 41 - Prob. 1QCh. 41 - Prob. 2QCh. 41 - Prob. 3QCh. 41 - Prob. 4QCh. 41 - Prob. 5QCh. 41 - Prob. 6QCh. 41 - Prob. 7QCh. 41 - Prob. 8QCh. 41 - Prob. 9QCh. 41 - Prob. 10Q
Ch. 41 - Prob. 11QCh. 41 - Prob. 1PCh. 41 - Prob. 2PCh. 41 - Prob. 3PCh. 41 - Prob. 4PCh. 41 - Prob. 5PCh. 41 - Prob. 6PCh. 41 - Prob. 7PCh. 41 - Prob. 8PCh. 41 - Prob. 9PCh. 41 - Prob. 10PCh. 41 - Prob. 11PCh. 41 - Prob. 12PCh. 41 - Prob. 13PCh. 41 - Prob. 14PCh. 41 - Prob. 15PCh. 41 - Prob. 16PCh. 41 - Prob. 17PCh. 41 - Prob. 18PCh. 41 - Prob. 19PCh. 41 - Prob. 20PCh. 41 - Prob. 21PCh. 41 - Prob. 22PCh. 41 - Prob. 23PCh. 41 - Prob. 24PCh. 41 - Prob. 25PCh. 41 - Prob. 26PCh. 41 - Prob. 27PCh. 41 - Prob. 28PCh. 41 - Prob. 29PCh. 41 - Prob. 30PCh. 41 - Prob. 31PCh. 41 - Prob. 32PCh. 41 - Prob. 33PCh. 41 - Prob. 34PCh. 41 - Prob. 35PCh. 41 - Prob. 36PCh. 41 - Prob. 37PCh. 41 - Prob. 38PCh. 41 - Prob. 39PCh. 41 - Prob. 40PCh. 41 - Prob. 41PCh. 41 - Prob. 42PCh. 41 - Prob. 43PCh. 41 - Prob. 44PCh. 41 - Prob. 45PCh. 41 - Prob. 46PCh. 41 - Prob. 47PCh. 41 - Prob. 48PCh. 41 - Prob. 49PCh. 41 - Prob. 50PCh. 41 - Prob. 51PCh. 41 - Prob. 52PCh. 41 - Prob. 53P
Knowledge Booster
Similar questions
- The diffusion constant for injected electrons in a molecular crystal is 1x10^-2 cm^2/s at room temp. What is the mobility? What is the drift velocity in n electric field of 1x10^5 Volts/cm?arrow_forwardA sample of a certain metal has a volume of 4 × 10−5 m3. The metal has a density of 9.0 g/cm3and a molar mass of 60 g/mol. The atoms are bivalent. How many conduction electrons (or valence electrons) are in the sample?arrow_forwardP-type semi conducting material is Select one: a. holes are majority charge carriers and it is due to addition of trivalent impurities. O b. electrons are majority charge carriers and it is due to addition of trivalent impurities. O c. holes are minority charge carriers and it is due to addition of pentavalent impurities. Od. electrons are majority charge carriers and it is due to addition of pentavalent impurities.arrow_forward
- X- Hall Effect demonstrates that it is the electrons that are free to move. Y- Germanium and Selenium are materials that are intermediate between insulators and conductors. O X is true and Y is false O X is false and Y is true O X and Y are both true O X and Y are both falsearrow_forwardAssuming that there are 1.5 free electrons per gold atom. The electrical conductivity and density for Au are 4.3 x 10' (N-m)1 and 19.32 g/cm3, respectively. (a) Calculate the number of free electrons per cubic meter for gold (b) Compute the electron mobility for gold.arrow_forwardAssuming that there are 1.5 free electrons per gold atom. The electrical conductivity and density for Au are 4.3 x 10' (0-m)* and 19.32 g/cm?, respectively. (a) Calculate the number of free electrons per cubic meter for gold (b) Compute the electron mobility for gold.arrow_forward
- Stars similar to our sun eventually become white dwarfs, in which the hydrogen and helium have fused to form carbon and oxygen. The star has collapsed to a much smaller radius, which is why it is described as a “dwarf.” The electrons are not bound to the nuclei and form a degenerate Fermi gas within the white dwarf. Consider a white dwarf with a mass equal to the sun’s mass (1.99 x 1030 kg) but a radius of only 6.96 x 106 m, which is just 1% of the sun’s present radius. (a) If the white dwarf consists of equal parts carbon and oxygen, how many electrons are present? (b) What is the number density of electrons? (c) Find the Fermi energy of the electrons (in units of eV) and comment on the result.arrow_forwardSilicon has a conductivity of 5×10-4 (Q.m)-1 when pure. How many arsenic atoms/m3 are required so that the conductivity of 200 (Q .m)-1. The mobility of electrons is O.13 (m2/V. Sec), mobility of holes is 0.05(m2/V.Sec) O 2.4038*10^16 /m-3 O 9.6153*10^21/m-3 O 4*10^5 /m-3 O 9.4089*10^5 /m-3 O other:arrow_forwardA block in the shape of a rectangular solid has a cross-sectional area of 4.00 cm^2 across its width, a front-to-rear length of 5.00 cm, and a material conductivity of 10^6 Ω x m^-1. The block’s material contains 5.00x10^22 conduction electrons/m^3. A potential difference of 35.0 V is maintained between its front and rear faces. Find: (a) the resistivity of the block material(b) the resistance of the block(c) the current through the block(d) the magnitude of the current density if it is uniform(e) the drift velocity of the conduction electrons (f) the magnitude of the electric field through the blockarrow_forward
- What is the number density of conduction electrons in gold, which is a monovalent metal? Use the molar mass and density provided in Appendix Farrow_forwardA conductive wire has a conductivity of ( 0.649 × 10^-8) at room temperature are ( 5.8 x 1028) conduction electron/m.calculate the mobility,resistivity and relaxation time of electronsarrow_forwardQuestion-5. A semiconductor has an electrical conductivity of 20 (N-m)', whereas the electron and hole mobilities are 0.04 and 0.03 m2/V-s, respectively. The density of the semiconductor is 4.62 g/cm³. The electrical charge of an electron (e) is 1.6 ×10-19 C. The atomic weight of the semiconductor is 59.72 g/mol. Avogadro constant (NA) is 6.023 × 1023 atoms/mol. (a) Compute the intrinsic carrier concentration for the semiconductor at room temperature (25 °C). (b) Compute the number of free electrons per atom for the intrinsic semiconductor at room temperature.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
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...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON