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 exits between the conductor and the ground. The maximum electric stress occur at

 The upper surface of the conductor.
 The lower surface of the conductor.
 The ground surface.
 Midway between the conductor and ground.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Magnetostriction is a phenomenon of

 change in permeability of ferromagnetic materials during magnetism.
 generation of magnetism in electrical conductors.
 change in physical dimensions of ferromagnetic materials during magnetism.
 generation of electricity in ferromagnetic materials.

ANSWER DOWNLOAD EXAMIANS APP