The electron drift speed is 2.5×10−4 m/s in a metal with a mean free time between...

Question

Question

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?

science physics

Answer 1

✔ Recommended Answer

Answer #1

Drift velocity is ú qe ET do 2 Ez Varm qet 4 E 2.5X10*x9.5 1x10?! x 4.2x1014 1.6*10 19 2.57.9.11 2 1.6 x 4.2 11002 = 3.38 x 1

Answer 2

Similar Homework Help Questions

The mean time between collisions in iron is 4.6×10−15 s . What electron current is driven...

The mean time between collisions in iron is 4.6×10−15 s . What electron current is driven through a 1.8-mm-diameter iron wire by a 0.062 V/m electric field?
A 9.8×10−4 V/m electric field creates a 4.9×1017 electrons/s current in a 1.7-mm-diameter aluminum wire. What...

A 9.8×10−4 V/m electric field creates a 4.9×1017 electrons/s current in a 1.7-mm-diameter aluminum wire. What is the drift speed and what is the mean time between collisions for electrons in this wire?
A 3.0×10−4 V/m electric field creates a 2.1×1017 electrons/s current in a 2.0-mm-diameter aluminum wire. Part...

A 3.0×10−4 V/m electric field creates a 2.1×1017 electrons/s current in a 2.0-mm-diameter aluminum wire. Part A What is the drift speed? Part B What is the mean time between collisions for electrons in this wire?

a) An electron moving parallel to a uniform electric field increases its speed from 2.5×10^7 m/s...

a) An electron moving parallel to a uniform electric field increases its speed from 2.5×10^7 m/s to 3.6×10^7 m/s over a distance of 1.8 cm . What is the electric field strength? b)The surface charge density on an infinite charged plane is −1.60×10−6 C/m2 . A proton is shot straight away from the plane at 2.00×106 m/s . How far does the proton travel before reaching its turning point?
The mean time between collisions in iron is 4.6x10-15 s. Part A What electron current is...

The mean time between collisions in iron is 4.6x10-15 s. Part A What electron current is driven through a 1.4-mm-diameter iron wire by a 0.065 V/m electric field? Express your answer as a number of electrons per second. ► View Available Hint(s) ΑΣΦ ? electron/s Submit
The mean time between collisions in iron is 4.8x10-15 s. Part A What electron current is...

The mean time between collisions in iron is 4.8x10-15 s. Part A What electron current is driven through a 1.5-mm-diameter iron wire by a 0.070 V/m electric field? Express your answer as a number of electrons per second. View Available Hint(s) ΤΠΙ ΑΣΦ 2 electron/s Submit

A 1.9×10−3 V/m electric field creates a 3.2×1017 electrons/s current in a 1.0-mm-diameter aluminum wire. What...

A 1.9×10−3 V/m electric field creates a 3.2×1017 electrons/s current in a 1.0-mm-diameter aluminum wire. What is the drift speed? What is the mean time between collisions for electrons in this wire?
A 8.9×10^−4 V/m electric field creates a 2.6×10^17 electrons/s current in a 1.3-mm-diameter aluminum wire. Part...

A 8.9×10^−4 V/m electric field creates a 2.6×10^17 electrons/s current in a 1.3-mm-diameter aluminum wire. Part A:What is the drift speed? Express your answer using two significant figures. Part B: What is the mean time between collisions for electrons in this wire? Express your answer using two significant figures.
What is the electric field in an aluminum wire if the drift speed of the free...

What is the electric field in an aluminum wire if the drift speed of the free elctrons in the wire is measured to be 3.63 * 10^-5 m/s? The resistivity of aluminum us 2.655 * 1-^-8 ohms/m.

Review The mean time between collisions in iron is 4.2x10-15 Part A What electron current is...

Review The mean time between collisions in iron is 4.2x10-15 Part A What electron current is driven through a 1.9-mm-diameter iron wire by a 0.066 V/m electric field? Express your answer using two significant figures AS electron/s Submit