Electromagnetic Field Theory Magnetostriction is a phenomenon of change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 37.68 μH. 3.768 μH. 113.04 μH. 1.1304 μH. 37.68 μH. 3.768 μH. 113.04 μH. 1.1304 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Radio astronomy Tv broadcast All of these Point to point communication Radio astronomy Tv broadcast All of these Point to point communication ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 5 N. 2.5 N. 2 N. 3.75 N. 5 N. 2.5 N. 2 N. 3.75 N. 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 exits between the conductor and the ground. The maximum electric stress occur at Midway between the conductor and ground. The upper surface of the conductor. The ground surface. The lower surface of the conductor. Midway between the conductor and ground. The upper surface of the conductor. The ground surface. The lower surface of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to total charge enclosed by the surface. Equal to the surface charge density. Zero. Equal to volume change density. Equal to total charge enclosed by the surface. Equal to the surface charge density. Zero. Equal to volume change density. ANSWER DOWNLOAD EXAMIANS APP
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