Electromagnetic Field Theory
Between a hollow and solid metal sphere, charge reside

 on outer surface in hollow and throughout in solid.
 on outer surface in hollow and throughout in solid
 on outer surface in both.
 None of above.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Gradient of scalar field is expressed as

 Maximum rate of increase of scalar function at a point.
 Gradient of divergence of a vector field minus the curl of the vector field.
 Outward flux of a vector field per unit volume as the volume about the point tends to zero.
 Circulation of a vector field per unit area as the area tends to zero.

ANSWER DOWNLOAD EXAMIANS APP