CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Two conducting spheres of radii a and b respectively are charged and joined by a wire. The ratio of electric field due the spheres at their surfaces when isolated is

A
ab
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
ba
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
a2b2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
b2a2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B ba
Joined by a wire means they are at the same potential. For same potential kQ1a1=kQ2a2Q1Q2=ab
Further, the electric field at the surface of the sphere having radius R and charge Q is kQR2
E1E2=kQ1a2kQ2b2=Q1Q2×b2a2=ba

flag
Suggest Corrections
thumbs-up
107
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Electric Potential Due to Uniformly Charged Spherical Shell or Solid Sphere
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon