shaalaa.com
S

Solution - What is Its Relation with Relaxation Time? - Drift of Electrons and the Origin of Resistivity

Account
User


Login
Register


      Forgot password?
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

Question

What is its relation with relaxation time?

Solution

You need to to view the solution
Is there an error in this question or solution?

Similar questions VIEW ALL

Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area 1.0 × 10−7 m2 carrying a current of 1.5 A. Assume the density of conduction electrons to be 9 × 1028 m−3

view solution

(i) Derive an expression for  drift velocity of free electrons.

(ii) How does drift velocity of electrons in a metallic conductor vary with increase in temperature? Explain.

view solution

Write its (‘mobility’ of charge carriers) S.I. unit

view solution

(i) Define the term drift velocity.
(ii) On the basis of electron drift, derive an expression for resistivity of a conductor in terms of number density of free electrons and relaxation time. On what factors does resistivity of a conductor depend?
(iii) Why alloys like constantan and manganin are used for making standard resistors?

view solution

Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area 2.5 × 10−7 m2 carrying a current of 1.8 A. Assume the density of conduction electrons to be 9 × 1028 m−3.

view solution
Solution for question: What is Its Relation with Relaxation Time? concept: Drift of Electrons and the Origin of Resistivity. For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)
S