get app

Go To Your Study Dashboard

2.30 A spherical capacitor has an inner sphere of radius 12 cm and an outer sphere of radius 13 cm. The outer sphere is earthed and the inner sphere is given a charge of 2.5 $\mu C$ . The space between the concentric spheres is filled with a liquid of dielectric constant 32.

(a) Determine the capacitance of the capacitor.

Answers (1)

P Pankaj Sanodiya

The capacitance of the capacitor is given by:

$C=\frac{4\pi \epsilon _0\epsilon _rr_1r_2}{r_1-r_2}$

Here,

$C=\frac{32*0.12*0.13}{9*10^9*(0.13-0.12)}=5.5*10^{-9}F$

Hence Capacitance of the capacitor is $5.5*10^{-9}F$ .

Similar Questions

Related Chapters

Exams

Articles

Questions