A charge of 1.6xx 10^(-7)C is uniformly distributed on the surface of a spherical conductor of radius 12 cm....

A spherical conductor of radius 12 cm has a charge of 1.6xx10^(-7)C distributed uniformly on its surface. What is the electric field (a) inside the sphere (b) just outside the sphere (c ) at a point 18 cm from the center of the sphere ?

A spherical conductor of radius 2 m is charged to a potential of 120 V . It is now placed inside another hollow spherical conductor of radius 6 m . Calculate the potential to which the bigger sphere would be raised

A conducting ring of radius 40 cm has a charge of 5 xx 10^(-9) C uniformly distributed over it. Calculate the electric field intensity at a point P, 40 cm away from the centre on the axis of the ring.

A spherical balloon of radius 3 cm containing helium gas has a pressure of 48 xx 10^(-3) bar . At the same temperature , the pressure , of a spherical balloon of radius 12 cm containing the same amount of gas will be _______ xx 10^(-6) bar

A charge of 500 muC is distributed uniformly over the circumference of a ring of radius 25 cm. What will be be electric potential at the centre of ring?