Homework Help is Here – Start Your Trial Now!
Science
Physics
Acopper wire of radius 2 mm carries a current of 30 A. If Copper has 8.5 x 1028 free ectrons/m³, then the drift speed of electrons (in μm/s) is: 5 B) 146.3 C) 117.0 D) 87.8 E) 175.5

Acopper wire of radius 2 mm carries a current of 30 A. If Copper has 8.5 x 1028 free ectrons/m³, then the drift speed of electrons (in μm/s) is: 5 B) 146.3 C) 117.0 D) 87.8 E) 175.5

College Physics
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)...
See similar textbooks
icon
Related questions
Question
Q 10 please
Q5: A spherical capacitor is formed from two concentric spherical conducting shells separated by air. Inner sphere has radius a= 5 cm and outer has radius b= 10 cm. What is the capacitance (in pF) of the capacitor? A) 66.7 B) 24.8 9: What is the definition of conductivity? A) Current density Electric Field B) 06: Two identical capacitors C₁ and C₂ have the same charge. Then we insert dielectric material (K 2) between the plates of C₂ only. The ratio U₂/U, of the energies stored in C, and C₂ is: C) 1/2 B) 1/3 A) 3 D) 2 E) 1 3.5 C) 33.3 07: When a wire 5 m long with a diameter of 0.05 mm is connected to a 12 V battery, a current of 4 A flows through it. The resistivity (in 2.m) of the wire material is: A) 5.9 x 10-10 B) 7.9 x 1010 C) 3.5 x 10-¹0 D) 1.2 x 10" E) 2.4 x 10¹ 08: Over a certain region of space, the electric potential is given by V(x) = 1500 x², where x in meter and V in Volt. The electric field (in kV/m) at x = 0.8 m is: A) - 3.9 B) - 2.4i C) - 10.2i D) - 8.1 Voltage Current B) 146.3 D) 41.7 Current Area E) 11.1 C) 117.0 D) (Voltage).(Current) E) A copper wire of radius 2 mm carries a current of 30 A. If Copper has 8.5 x 1028 free electrons/m³, then the drift speed of electrons (in μm/s) is: D) 87.8 E) - 12.3/ Electric Field Current density E) 175.5
Transcribed Image Text:Q5: A spherical capacitor is formed from two concentric spherical conducting shells separated by air. Inner sphere has radius a= 5 cm and outer has radius b= 10 cm. What is the capacitance (in pF) of the capacitor? A) 66.7 B) 24.8 9: What is the definition of conductivity? A) Current density Electric Field B) 06: Two identical capacitors C₁ and C₂ have the same charge. Then we insert dielectric material (K 2) between the plates of C₂ only. The ratio U₂/U, of the energies stored in C, and C₂ is: C) 1/2 B) 1/3 A) 3 D) 2 E) 1 3.5 C) 33.3 07: When a wire 5 m long with a diameter of 0.05 mm is connected to a 12 V battery, a current of 4 A flows through it. The resistivity (in 2.m) of the wire material is: A) 5.9 x 10-10 B) 7.9 x 1010 C) 3.5 x 10-¹0 D) 1.2 x 10" E) 2.4 x 10¹ 08: Over a certain region of space, the electric potential is given by V(x) = 1500 x², where x in meter and V in Volt. The electric field (in kV/m) at x = 0.8 m is: A) - 3.9 B) - 2.4i C) - 10.2i D) - 8.1 Voltage Current B) 146.3 D) 41.7 Current Area E) 11.1 C) 117.0 D) (Voltage).(Current) E) A copper wire of radius 2 mm carries a current of 30 A. If Copper has 8.5 x 1028 free electrons/m³, then the drift speed of electrons (in μm/s) is: D) 87.8 E) - 12.3/ Electric Field Current density E) 175.5
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Ohm's law
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
SEE MORE TEXTBOOKS