Question
Question: A thin metallic spherical shell carries a charge Q on it. A point charge q is placed at the centre o...
A thin metallic spherical shell carries a charge Q on it. A point charge q is placed at the centre of the shell and another charge q1 is placed outside it as shown in Fig. 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
Answer
Zero
Explanation
Solution
Since field inside the sphere is due to q itself. Therefore force on it will be zero.