A current flows in a wire of circular cross section with the free electrons travelling with drift velocity V. If an equal current flows in a wire of same material and twice the radius, the new drift velocity is: A V B V C 4 D 2 V t>|

A current flows in a wire of circular cross section with the free electrons travelling with drift velocity V. If an equal current flows in a wire of same material and twice the radius, the new drift velocity is: A V B V C 4 D 2 V t>|

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 69PQ

See similar textbooks

Related questions

Q: Neptune’s moon Triton has an orbital period of 5.877 days and a semi‐major axis of 3.5 x 108 What…

Q: A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…

A: Given data: Mass (m) = 65.0 kg Distance (d) = 5.00 m Frictional force (f) = 75.0 N g = 10.0 m/s2…

Q: A disk with uniform density and radius 0.581 m used to weigh 28.58 kg, but then a hole was punched…

A: Given Mass of the disc 25.58 kg radius of the disc 0.581 m The radius of the hole 0.0576 m…

Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

Q: 8. How do you compare the velocity of the projectile to the height attáined? 9. How do you compare…

A: Given 8.. How do you compare the velocity of projectile to the height attained. 9.. How do you…

Q: A certain transverse wave is described by y(x,t)=Bcos[2π(xL−tτ)]y(x,t)=Bcos[2π(x/L−t/τ)],…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: can i use 347.616 in computing for TA? or is it 348 only

A: In the given calculation the value comes out as 347.616.

Q: 9. The coefficient of static friction between a 9.0-kg box of medicine and a hospital floor is 0.45.…

Q: How much current must flow for 1.0 E-3T of magnetic field to be present 1.0 cm from a wire?

Q: Draw a diagram of the situation and determine the magnitude of the electric field (in N/C)

A: To calculate electric field we consider a unit positive charge at that calculating point then for…

Q: In the figure, initially unpolarized light is sent into a system of three polarizing sheets whose…

Q: Mass = 20kg The diagram above shows a block resting on a slope being held in place by a rope a) Draw…

Q: The potential difference between two parallel plates is 6.00 x 103 V. Electrons can enter…

Q: A basketball bounces on a floor. The ball has a mass of 0.61 kg and is in contact with the floor for…

A: Given A basketball bounces on a floor. The ball has a mass of 0.61 kg and is in contact with the…

Q: a- For PLL ICs define: 1- fo 2- fL 3- fc b- Find fc for an IC with R1=R2 =3KN, C1=C2 =54pf

Q: A rickshaw puller pulls the rickshaw by applying a force of 140 N. If the rickaw moves with constant…

A: Given Data: The force applied to pull the rickshaw is: F=140 N The velocity of the rickshaw is: v=45…

Q: An electric field of 5000 N/C is in the +y direction. A charge of 3.00 µC is moved a distance of…

Q: Velocity (m/s) 50 40 30 20 10 Time 4 6. 8. 10 12 14 (s) The diagram above shows the journey of a…

Q: A 2 ampere current flows in a conductor which has 1x1024 free electron per meter. What is their…

Q: An unstable atomic nucleus of mass 1.79 10-26 kg initially at rest explodes into three particles…

A: mass of nucleus (M) = 1.79×10-26 kg initial speed of nucleus = 0 msmass of first particle (m1) =…

Q: How is the capacitance of a parallel-plate capacitor affected by the potential difference across the…

A: Capacitor is a device which is used to store charge in an electric circuit and its SI unit is Farad.

Q: A force of 220 N is applied to an object area 11m2. Calculate the pressure ?

A: Given in question: Force(F) = 220N Area(a)= 11 m2 To find-…

Q: Hello, please answer the following Physics question correctly. *If you solve the question CORRECTLY…

A: Given Mass of object = 75 kg Horizontal applied force = 50 N (right) Friction force = 30 N (left)…

Q: At what angle in (A) was the ball projected?

Q: m. The car then ramp which is frictionless except for the 2.5 meter patch shown. Next the car goes…

A: Use law of conservation of energy MEi=MEf Initially the car has only spring potential energy= Us…

Q: 4. Which of the following scientists have SI units named after them in electromagnetism? Check all…

A: SI units means International System of units. Various SI units are meter, second, joule etc.

Q: (a) Sketch a PV diagram of this process. (b) What must be the new pressure? (c) How much work will…

Q: A boy on a 2.0 kg skateboard initially at rest tosses an 8.0 kg jug of water in the forward…

A: We know that the A boy on a ms= 2.0 kg skateboard initially at rest tosses an mtoss= 8.0 kg jug…

Q: A spring gun at ground level fires a golf ball at an angle of 45°. The ball lands 10 m away. a) What…

Q: A dielectric slab is slowly inserted between the plates of a parallel plate capacitor while the…

Q: stone is thrown outward, at an angle of 30° with the horizontal into the river from a cliff, that is…

A: We know that We have given that a stone is thrown outward, at an angle of 30° with the horizontal…

Q: Two piano strings are played together producing 3 beats per second. The pitch of the first string is…

Q: An 82.0 kg-diver stands at the edge of a light 5.00-m diving board, which is supported by two narrow…

Q: A proton is held at the positive plate parallel arrangement. The plates are 1.45 cm apart and the…

A: Given Separation between the plate is d=1.45 cm=0.0145 m Potential energy of the proton is…

Q: A ball of mass m = 1.70 kg is released from rest at a height h= 66.0 cm above a light vertical…

Q: OBJECT O IMAGE I What type of mirror is this? A. comvex concave O C. parabolic OD. plane Object 2.…

A: 1. Since the rays diverges when it strikes the mirror . Therefore the given mirror is Convex mirror.…

Q: 4. A capacitance of 3 uF is connected in series with another 3 µF. a. What is the equivalent…

A: Please note : As per answering guidelines I can answer the first question and its sub-parts only.…

Q: Presents the diagram of the problem, necessary formulas, clearance and numerical solution: The…

Q: C. You are supposed to make a lens that can produce an image at a distance of 50 cm when an object…

A: Given data :- distance of image from the lens v = 50 cm distance of object from the lens u = 20 cm

Q: In a uniform field, if a proton moves in the same direction as the electric field, the potential…

A: The potential energy of proton decreases so the correct option is B.

Q: 2. A magnetic field B= Bi+B,j+ B.k whose components are Bx = Asin(@t-kx), By = Aykcos(ot-kx), B:= 0…

Q: 14. What is the percentage of a 200g sample of Nitrogen-16 that decays to 12.5g in 21.6 s? C. 25% D.…

Q: Write an descriptive introduction for vector and vector addition

A: We have to write an descriptive introduction for vector and vector addition

Q: A pulley is pictured to the right. Its moment of inertia is 1.43 kg•m². A massless rope is wound…

A: mass of first envelope (m1) = 36.02 kg mass of second envelope (m2) = 5.33 kg Moment of inertia of…

Q: What is physics

A: Physics is branch of science which deals with study of matter , energy and their relationship.

Q: Physical Quantity Its Value in cm Image distance in cm 24.5 Object distance in cm 17 Answer the…

Q: The highest temperature recorded in Mexico was on June 15, 1966 in the municipality from San Luis…

Q: 1. A group of blocks is being pulled up a 20° incline. The velocity and acceleration are both…

Q: on gas has several industrial uses, including arc welding and steel making. Argon is nonflammable…

A: GivenT=21°CP=221 psi

Q: An aluminum ring of radius n = 5.00 cm and a resistance of 2.75 x 101 N is placed around one end of…

Question

Drift velocity

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

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.

Similar questions

An electronic device designed to operate at any temperature in the range from 10.0C to 55.0C contains pure carbon resistors. By what factor does their resistance increase over this range?
In a cylindrical conductor of radius 2 cm, the current density increases linearlywith the distance from the axis from zero at the center to 5 C/m2atr= 2 cm. Find the total current I
discuss how current flows in n type and p type semi-conductors
The current in a conductorvaries in time as shown inFigure P17.60. (a) How manycoulombs of charge passthrough a cross section of theconductor in the interval fromt = 0 to t = 5.0 s? (b) Whatconstant current would transportthe same total chargeduring the 5.0 - s interval asdoes the actual current?
A rectangular block of copper has sides of length 10. cm, 20. cm,and 40. cm. If the block is connected to a 6.0 - V source acrosstwo of its opposite faces, what are (a) the maximum currentand (b) the minimum current the block can carry?
If a current of 80.0 mA exists in a metal wire, (a) howmany electrons flow past a given cross-section of the wire in10.0 min? (b) In what direction do the electrons travel withrespect to the current?
Consider a resistor of resistivity 3.96 × 10-8 Ω • m. If an electric field of 12 V/m is applied across the resistor and the electron volume concetration in the conductor is 5.16 × 1028 per m3, determine the drift velocity, in mm/s, of the free electron constituting the current.
how does current flows in p type and n type semi-conductors?
A long coaxial cable, crossection of which is shown in the figure, is made up of a cylindrical inner wire of radius a and a cylindrical shell shaped coaxial outer wire of inner radius b and outer radius c. The current density with magnitude J = Kr2/a is spread over the cross section of the inner wire where the current has out-of-page direction. Outer wire carries uniformly distributed current i = πKa 3 having into-the-page direction. a) Find the total current of the inner wire iin in terms of ?.Find expressions for the magnitude of magnetic field, b) inside the inner wire (r < a) c) between the wires (a< r< b) d) inside the outer wire (b< r < c) e) outside the outer wire (r> c) in terms of i, π, μ and r. For each case indicate the direction of the magnetic field as well.
A wire of length 1 km, has a conductance of 0.6 mho. What is theconductance of the same wire which is 3 km long?
The current flowing in a given circuit can be described by the function: I(t) = Imax(1 - e-t/τ), where Imax = 25 A and T = 2.4 s. At what time in seconds is the current equal to 75% of the maximum current? How much charge in coulombs, passes through a point in the circuit as the current increases from 0 to 75% of the maximum current?
A wire of circular cross-section carries a current density that is not uniform but varies with distance from the center asj(r)=Ar/Rfor radius rin the range 0<r<R. Here, Ais a constant with units of amperes per square meter, and the radius of the wire is R=3.9mm. (a) If the total current is 4.5A , what is the constant A , in amperes per square meter? (b) What is the maximum value of the enclosed current, in amperes? (c) What is the maximum value of the magnetic field, in units of teslas?