Q.

Two conducing concentric hollow spheres of radii a and 2a respectively are shown in the diagram.  The inner shell has net charge Q on its surface.  The outer shell is neutral.  If the outer shell is connected to the earth the heat generated through the connecting wire is

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Zero

b

14π∈0.Q22a

c

14π∈0.Q24a

d

14π∈0.Q2a

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Outside energy =14π∈0Q22×2a  will become zero as the shell is earthed.  This energy appears as heat
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
whats app icon
Two conducing concentric hollow spheres of radii a and 2a respectively are shown in the diagram.  The inner shell has net charge Q on its surface.  The outer shell is neutral.  If the outer shell is connected to the earth the heat generated through the connecting wire is