Electromagnetic Field Theory
The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes

 0.
 None of above.
 - 100 μ v/m.
 100 μ v/m.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now

 both of sphere will have same potential.
 larger sphere will have smalled potential.
 smaller sphere will have zero potential.
 larger sphere will have greater potential.

ANSWER DOWNLOAD EXAMIANS APP