A thin metallic spherical shell contains a charge Q on it. A point charge q is placed with the centre of the shell and another charge q1 s placed outside it as shown in the figure. All the three charges are positive. The force on the charge at the centre is

Question

A thin metallic spherical shell contains a charge Q on it. A point charge q is placed with the centre of the shell and another charge q1 s placed outside it as shown in the figure. All the three charges are positive. The force on the charge at the centre is (A) towards left (B) towards right (C) upward (D) zero

Tardigrade Admin · Accepted Answer

Field inside the metallic shell is zero.

Q. A thin metallic spherical shell contains a charge Q on it. A point charge q is placed with the centre of the shell and another charge q1​s placed outside it as shown in the figure. All the three charges are positive. The force on the charge at the centre is

towards left

towards right

upward

zero

Field inside the metallic shell is zero.

Q. A thin metallic spherical shell contains a charge $Q$ on it. A point charge $q$ is placed with the centre of the shell and another charge $q_{1} s$ placed outside it as shown in the figure. All the three charges are positive.
The force on the charge at the centre is