Drift Velocity Derivation in Nepali | Class 11 Drift velocity | Class 11 NEB physics |

Introduction to Drift Velocity00:00:15

The video begins with an introduction, likely setting the stage for the topic of drift velocity in the context of Class 11 physics.

Explanation of Electron Movement and Electric Field00:01:58

The speaker explains the behavior of electrons and the influence of an external electric field on them, crucial for understanding drift velocity.

Collisions and Random Motion00:03:51

The concept of electrons undergoing collisions and their random motion within a conductor is discussed, leading to the idea of a net drift.

Relating Drift Velocity to Current00:06:06

The video moves towards connecting the drift velocity of electrons to the current flowing through a conductor, using relevant physical quantities.

Derivation of Drift Current Formula00:09:22

The core of the video, a detailed derivation of the drift current formula I = nAve, where I is current, n is electron density, A is cross-sectional area, v_d is drift velocity, and e is electron charge, is presented.