A metal wire is bent in a circle of radius 10 cm. It is given a charge `200 muC` which is spread on it uniformly. Calculate the electric potential at its center.

A metal wire is bent into a circle of radius 10 cm. It is given a charge of 200 muC , which spreads on it uniformly, Calculate the electric potential at its centre.

A metal wire is bent into a circle of radius 10 cm. It is given a charge of 200muC , which spreads on it uniformly. Calculate the electric potential at its centre.

A metal wire is bent in a circle of radius 20cm. It is given a charge of 400muC which is spread on it uniformly. Calculate the electric potential at its centre.

A wire is bent in a circle of radius 10cm. It is given a charge of 250 muC which spreads on it uniformly. What is the electric potential at the centre?

A wire is bent in a circle of radius 10cm. It is given a charge of 250µC which spreads on it uniformly. What is the electric potential at the centre?

A wire is bent in circle of radius 10 cm and has been given a charge of 250muC which spreads on the wire uniformly. What is the electric fields intensity at the centre.

A metal sphere of radius 10 cm is given a charge of 12muC . The force acting on unit area of its surface is

Asphere of radius 10 cm is given a charge of 20 muC on its surface. The surface charge density of sphere is