Considering a group of positive charges, which of the following statements is correct?
Net potential of the system cannot be zero at a point but net electric field can be zero at that point.
Net potential of the system at a point can be zero but net electric field can't be zero at that point.
Both the net potential and the net field can be zero at a point.
Both the net potential and the net electric field cannot be zero at a point.
A long, hollow conducting cylinder is kept coaxially inside another long, hollow conducting cylinder of larger radius. Both the cylinders are initially electrically neutral.
A sphere of $4\, cm$ radius is suspended within a hollow sphere of $6\, cm$ radius. The inner sphere is charged to potential $3\, e.s.u.$ and the outer sphere is earthed. The charge on the inner sphere is.....$e.s.u.$
Two charged spheres of radii $10\, cm$ and $15\, cm$ are connected by a thin wire. No current will flow, if they have
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......$V$
The electric potential inside a conducting sphere