A thin straight rod of length `l` carrying a uniformly distributed charge q is located in vacuum. Find the magnitude of the electric force on a point charge 'Q' kept as shown in the figure.

A thin straight rod of length 2a carrying a uniformly distributed charge q is located in vacumm. Find the magnitude of the electric field strength as a function of the distatance r from the rod's centre along the streaight line (a) perpendicular to the rod and passing through its centre , (b) coinciding with the rod's direction (at the point lying outside the rod).

A point charge q is situated at a distance r from one end of a thin conduction rod of length L having a charge Q (uniformly distributed a long its length).find the magnitudes of electric force between the two.

a point charge q is situated at a distance r from one end of a thin conduction rod of length L having a charge Q (unifromly distributed a long its length).find the magnitudes of electric froce between the two.

A point charge 4 is situated at a distance r on axis from one end of a thin conducting rod of length L having a charge Q (Uniformly distributed along its length). "The magnitude of electric force between the two is ________.

A point charge q is located at the centre fo a thin ring of radius R with uniformly distributed charge -q , find the magnitude of the electric field strength vectro at the point lying on the axis of the ring at a distance x from its centre, if x gt gt R .

A point charge q is located at the centre fo a thin ring of radius R with uniformly distributed charge -q , find the magnitude of the electric field strength vectro at the point lying on the axis of the ring at a distance x from its centre, if x gt gt R .

A wire of length L carries charge Q uniformly distributed along its length. Find the electric field at a distance (sqrt(3)L)/2 from the wire at point A as shown.