Electromagnetic Field Theory
A satellite that simply reflect back the signals from one region of the earth to the other region is known as

Orbiting satellite
Passive satellite
Active satellite
Geostationary satellite

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Magnetostriction is a phenomenon of

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

ANSWER DOWNLOAD EXAMIANS APP