Electromagnetic Field Theory
The drawback of Daltons atomic structure is that, it says

 most of the volume of an atom is empty space.
 none of these.
 unique nature of atom.
 the atoms can neither be created nor be destroyed.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Gradient of scalar field is expressed as

 Circulation of a vector field per unit area as the area tends to zero.
 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.
 Maximum rate of increase of scalar function at a point.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at

 upper surface of the conductor.
 midway between the conductor and ground.
 the ground surface.
 lower surface of the conductor.

ANSWER DOWNLOAD EXAMIANS APP