A rod of length L lies along the x-axis with its left end at the origin. It has a non-uniform charge density `lamda=alphax`, where a is a positive constant.
(a) What are the units of `alpha`?
(b) Calculate the electric potential at point A where `x = - d` .

A rod of length 'l' is placed along x-axis. One of its ends is at the origin. The rod has a non-uniform charge density lambda= a, a being a positive constant. Electric potential at P as shown in the figure is -

A rod of length 'l' is placed along x-axis. One of its ends is at the origin. The rod has a non-uniform charge density lambda= a, a being a positive constant. Electric potential at P as shown in the figure is -

A rod of length l is placed along x - axis. One of its ends is at the origin. The rod has a non - uniform charge density lambda=(a)/(x) , a being a positive constant. The electric potential at the point P (origin) as shown in the figure is

A rod of length l is placed along x - axis. One of its ends is at the origin. The rod has a non - uniform charge density lambda=(a)/(x) , a being a positive constant. The electric potential at the point P (origin) as shown in the figure is

A rod lies along the X-axis with one end at the origin and the other at x rarr oo . It carries a uniform charge lambda Cm^(-1) . The electric field at the point x=-a on the axis will be

A continuous line of charge of length 3d lies along the x-axis, extending from x + d to x + 4d, The line carries a uniform linear charge density lambd . In terms of d, lambda and any necessary physical constant find the magnitude of the electric field at the origin.

A continuous line of charge of length 3d lies along the x-axis, extending from x + d to x + 4d, The line carries a uniform linear charge density lambd . In terms of d, lambda and any necessary physical constant find the magnitude of the electric field at the origin.