Positive charge Q is placed on a conducting spherical shell with inner radius R₁ and outer radius R₂.A point charge q is placed at the center of the cavity.The force on the charge q is:

Question

Quizplus · Accepted Answer

As the charge q is placed at the center of the cavity, it is inside the conductor and there is no electric field inside a conductor in electrostatics. Therefore, there is no force on the charge q.

Positive Charge Q Is Placed on a Conducting Spherical Shell