Define 'Drift Velocity' and 'Relaxation time'.

define relaxation time.

Define drift velocity and derive an expression for it. Establish a relation between drift velocity and electric current.

Define angular velocity and write down the relation between oversettov and oversettow in vector form.

The value of drift velocity of electrons in a metal is about

A potential difference V is applied across a conductor at temperature T (kelvin). Then the drift velocity of electrons is directly propoertional to :

Define centrepetel force and express it in terms of angular velocity