A thread carrying a unifrom charge `lambda` per unit length has the configuration shown in fig, Assuming a curvature radius `R` to be considerably less than the length of the thread, find the magnitude fo the electric field strength at the point `O`.
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A thread carrying a uniform charge lambda per unit length has the configuration as shown in figure. If radius ‘R’ is considerably length 'the length of the thread then find the magnitude of the electric field strength at the point O. (O is the centre of the quarter circular arc).

A long wire with a uniform charge density lambda is bent in two configurations shown in fig. Determine the electric field intensity at point O.

A long wire with a uniform charge density lambda is bent in two configurations shown in fig. Determine the electric field intensity at point O.

A thin infinitely long thread carrying a charge lambda per unit length is oriented parallel to the infinite conducting plane. The distance between the thread and the plane is equal to l . Find : (a) the moducles of the vector of the force acting on a unit length of the thread , (b) the disribution of surface chagre density sigma (x) over the plane, where x is the distance form the plane perpendicular to the conducting surface and passing through the thread.

Each of the two long parallel threads carries a uniform charge lambda per unit length. The threads are separated by a distance l . Find the maximum magnitude of the electric firld strength in the symmetry plane of theis system located between the threads.

A rod of length L has a total charge Q distributed uniformly along its length. It is bent in the shape of a semicircle. Find the magnitude of the electric field at the centre of curvature of the semicircle.

A rod of length L has a total charge Q distributed uniformly along its length. It is bent in the shape of a semicircle. Find the magnitude of the electric field at the centre of curvature of the semicircle.