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 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.

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 10 cm long rod carries a charge of +150 muC distributed uniformly along its length. Find the magnitude of the electric field at a point 10 cm from both the ends of the rod.

A rod of length l having uniformly distributed charge Q is rotated about one end with constant frequency f Its magnetic moment

A spherical shell having charge +Q (uniformly distributed) and placed as shown. Find the force between shell and the point charge (r 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 rod has a total charge Q uniformly distributed along its length L. If the rod rotates with angular velocity omega about its end, compute its magnetic moment.

A charge +q is situated at a distance 'd' away from both the sides of a grounded conducting 'L' shaped sheet as shown in the figure. The force acting on the charge +q is