The current density at a point in the conductor is defined as the current per unit cross-section area.Thus if the charge is flowing per unit time uniformaly over the area of cross-section A of the conductor,then current density J at any point on that area is defined as
It is the characterstic property of point inside the conductor nor of the conductor as a whole
Direction of current density is same as the direction of conventional current
Note that current density is a vector quantity unlike electric current
Thanks for visiting our website. DISCLOSURE: THIS PAGE MAY CONTAIN AFFILIATE LINKS, MEANING I GET A COMMISSION IF YOU DECIDE TO MAKE A PURCHASE THROUGH MY LINKS, AT NO COST TO YOU. PLEASE READ MY DISCLOSURE FOR MORE INFO.
Our aim is to help students learn subjects like
physics, maths and science for students in school , college and those preparing for competitive exams.