A rod of length l, has a uniform positive charge per unit length and a total charge Q. calculate the electric foeld at a point P located along the long axis of the rod and at a distance a from one end

A rod of length l, has a uniform positive charge per unit length and a total charge Q. calculate the electric field at a point P located along the long axis of the rod and at a distance a from one end

A straight rod of length l placed in vacuum is charged uniformly with an amount q of charge. Calculate the electric field intensity in SI at a point on the axis of the rod at a distance x from its nearer end. Write the result in CGS system also.

A rod length l is uniformly charged with charge q. Calculate potential at point P.

A rod length l is uniformly charged with charge q. Calculate potential at point P.

A cylinder of length L has a charge of magnitude q. The electric intensity at a point at a distance r from the axis of the cylinder is

The moment of inertia of a thin rod of mass M and length L about an axis perpendicular to the rod at a distance L/4 from one end is

A massless rod of length L has two equal charges (q) tied to its ends. The rod is free to rotate in horizontal plane about a vertical axis passing through a point at a distance (L)/(4) from one of its ends. A uniform horizontal electric field (E) exists in the region. (a) Draw diagrams showing the stable and unstable equilibrium positions of the rod in the field. (b) Calculate the change in electric potential energy of the rod when it is rotated by an angle Deltatheta from its stable equilibrium position. (c) Calculate the time period of small oscillations of the rod about its stable equilibrium position. Take the mass of each charge to be m.

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.