Question

Derive Ohm's law on the basis of the theory
of electron drift ​

Answer 1

Answer:

In physics, a drift velocity is the average velocity attained by charged particles, such as electrons, in a material due to an electric field. In general, an electron in a conductor will propagate randomly at the Fermi velocity, resulting in an average velocity of zero.

Explanation:

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Answer 2

Answer:

We consider a conductor of cross section area A and length I in which drift velocity of electron is Vd Applied voltage is V and electric field E between conductor ending point. So, electric current , l = neAVd We thus see that a very simple picture of electrical conduction reproduces ohm's law. We have of course, made assumption that τ and n are constants, Independent of e ∈.Read more on Sarthaks.com - https://www.sarthaks.com/549037/using-theory-of-drift-velocity-express-ohms-law

or

⇒I=nevDA where I is the current, n is the free- electron density of the material, and A is the cross sectional area of the conductor. ∴V=IR which is Ohms law, where R=mlne2At . For clarity we can derive the current and voltage relation with drift velocity from first principles. ⇒I=neAdldt=neAvD .

Explanation:

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