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Question 29: NCERT Solutions for 12th Class Physics: Chapter 2-Electrostatic Potential and Capacitance
A spherical capacitor consists of two concentric spherical conductors held in position by suitable insulating supports. Show that the capacitance of a spherical capacitor is given by
Where r1 and r2 are the radii of outer and inner spheres, respectively.
Solution:
Let + Q be the charge on outer spherical shell A of radius r, and + Q be the charge on inner spherical shell B of radius r2. Then electric potential on shell A is
This gives the capacitance of the spherical capacitor.
Check the complete chapter with solutions.
NCERT Solutions for 12th Class Physics: Chapter 2-Electrostatic Potential and Capacitance