Between two infinitely long wires having linear charge densities `lambda` and `-lambda` there are two points A and B shown in the figure. The amount of work done by the electric field moving a point charge `q_(0)` from A to B is equal to

Between two infinitely long wires having linear charge densities lambda and - lambda , there are two points A and B as shown in the figure. The amount of work done by the electric field in moving a point charge q_(0) from A to B is equal to :

Two long wires having linear charge density lamda and - lamda are placed parallel to each other at separation ras shown in the figure. The electric field at point P will be

The are AB with the centre C and infinitely long wire having linear charge density lambda are lying in the same plane. The minium amount of work to be done to move a point charge q_(0) from point A to B through a circular path AB of radius a is equal to

The are AB with the centre C and infinitely long wire having linear charge density lambda are lying in the same plane. The minium amount of work to be done to move a point charge q_(0) from point A to B through a circular path AB of radius a is equal to

The arc AB with the centre C and the infinitely long wire having linear charge density lambda are lying in the same place. The minimum amount of work to be done to move a point charge q_(0) from point A to B through a circuit path AB of radius a is equal to

The are AB with the centre C and infinitely long wire having linear charge density lambda are lying in the same plane. The minium amount of work to be done to move a point charge q_(0) from point A to B through a circular path AB of radius a is equal to

Two infinitely long thin straight wires having uniform linear charge densities lambda and 2lambda are arranged parallel to each other at a distance r apart.The intensity of the electric field at a point midway between them is

Two infinitely long thin styraight wires having uniform linear charge densities lambda and 2lambda are arranged parallel to each other at a distance r apart.The intensity of the electric field at a point midway between them is