Are the paths of electrons straight lines between successive collisions (with positive ions of the metals) in the
absence of electric field?

Are the paths of electrons straight lines between successive collisions (with positive ions of the metals) in the presence of electric field?

Draw lines of force to represent a uniform electric field?

What is the basic differences between magnetic and electric field?

Give relation between drift velociy and electric field?

A large number of free electrons are present in metals.Why is there no current in the absence of electric field across it ?

A large number of free electrons are present in metals. Why is there ni current in the absence of elctric field across it?